Cyfeiriadur Erthygl
Mae rhai yn gwneud masnach ddomestig a thramorMarchnata rhyngrwydffrindiau, oherwydd trawsffiniolE-fasnachanghenion busnes, hoffwn alw i mewn美国cwsmeriaid rhanbartholRhif ffôn.
Felly, byddwch yn Americanwr ymaFfônCofnodion Cod Ardal, Crynodeb美国Rhestr gyflawn o godau ardal.
Beth yw cod ardal yr UD?
Mae'r gwledydd a'r rhanbarthau canlynol yn defnyddio cynllun rhifo Gogledd America yn unffurf, ac mae'r fformat rhif yr un peth: +1 XXX XXX XXXX, lle mae'r 2il i'r 4ydd digid yn god ardal y cynllun.
- +1: Canada
- +1: UD, gan gynnwys tiriogaethau tramor yr UD:
- +1-340: Ynysoedd Virgin yr Unol Daleithiau
- +1-670: Ynysoedd Gogledd Mariana
- +1-671: Gwam
- +1-684: Samoa Americanaidd
- +1-787/939: Puerto Rico
1) Dewch o hyd i ffôn symudol rhyngwladol电话 号码dechrau?Cyfeiriwch at yr erthygl hon ▼
2) Gellir defnyddio'r cais yn effeithiolRhif ffôn symudol Tsieineaidd,Rhif ffôn symudol Hong Kong, cliciwch ar y ddolen isod i weld y cofrestriadDull ▼
Rhestr o Godau Ardal Talaith yr UD (Codau Ardal)
| nodwch enw | côd Ardal | Dinas |
|---|---|---|
| AK | 907 | (cyflwr cyfan) |
| AL | 205 | Ashville, Bexar, Birmingham, Butler, Centreville, Clanton, Columbiana, Eutaw, Hamilton, Jasper, Lincoln, Oneonta, Pell City, Tuscaloosa; (659 troshaen ar 205 wedi'i ganslo) |
| 251 | Atmore, Bay Minette, Beatrice, Brewton, Castleberry, Coffeeville, Evergreen, Finchburg, Gilbertown, Gosport, Grove Hill, Jackson, Melvin, Ffôn symudol, Monroeville, Peterman, Pine Apple, Tillmans Corner | |
| 256 | Albertville, Alexander City, Anniston, Arab, Athen, Boaz, Cullman, Dadeville, Decatur, Florence, Ft. Payne, Gadsden, Guntersville, Huntsville, Piedmont, Rockford, Russellville, Sylacauga, Talladega, Wedowee | |
| 334 | Andalusia, Auburn, Camden, Daleville, Demopolis, Dixons Mills, Dothan, Eclectic, Enterprise, Eufaula, Forest Home, Fort Deposit, Georgiana, Gordonsville, Greensboro, Greenville, Holtville, Kowaliga, Lafayette, Lanett, Linden, McKenzie, Maplesville, Marion , Trefaldwyn, Nanafalia, Notasulga, Opelika, Opp, Phenix City, Pine Hill, Prattville, Red Level, Roanoke, Rock Mills, Selma, Shawmut, Sweet Water, Tallassee, Thomasville, Troy, Tuskegee, Valley, Vredenburgh, West Point, Wetumpka, Wing | |
| AR | 479 | Atkins, Aurora, Belleville, Bentonville, Bluffton, Boles, Centerville, Clarksville, Danville, Dover, Eureka Springs, Fayetteville, Ft, Fforwm, Hector, Hindsville, Huntsville, Kingston, Mena, Rogers, Russellville, St. Paul, Salus, Siloam Springs, Springdale, Van Buren |
| 501 | Bald Knob, bocsit, Beebe, Benton, Bismarck, Bradford, Cabot, Casa, Cleveland, Clinton, Conway, Coy, Crystal Springs, Donaldson, Lloegr, Fairfield Bay, Ferndale, Greers Ferry, Griffithville, Heber Springs, Hot Springs, Jacksonville, Jessieville, Kensett, Little Rock, Lonoke, McRae, Malvern, Morrilton, Nimrod, Palam, Pangburn, Perry, Pinnacle, Pleasant Plains, Redfield, Scotland, Searcy, Shirley, South Fourche, Springlake, Wrightsville | |
| 870 | Arkadelphia, Ashdown, Augusta, Batesville, Berryville, Blytheville, Camden, De Queen, De Valls Bluff, Des Arc, Dumas, El Dorado, Forrest City, Helena, Hope, Jasper, Jonesboro, Magnolia, Marshall, Monticello, Mount Ida, Mountain View, Casnewydd, Pine Bluff, Prescott, Sheridan, Stuttgart, Texarkana, Trumann, Warren, West Memphis, Wynne | |
| AS | (684) | Samoa Americanaidd (tiriogaeth yr Unol Daleithiau yn y Cefnfor Tawel); a ddeialwyd yn flaenorol fel cod gwlad +684, bellach yw cod ardal NANP +1 684 yn 2004-10-02. |
| AZ | 480 | Apache Jct., Diofal, Cave Creek, Chandler, Fountain Hills, Gilbert, Guadalupe, Higley, Mesa, Paradise Valley, Queen Creek, Salt River, Scottsdale, Sun Lakes, y rhan fwyaf o Tempe; dwyrain/gogledd Phoenix ardal |
| 520 | Ajo, Benson, Bisbee, Blackwater, Bowie, Casa Blanca, Casa Grande, Cascabel, Coolidge, Douglas, Elfrida, Eloy, Florence, Hayden, Kitt Peak, Komatke, Lone Butte, Maricopa, Maricopa Village, Nogales, Patagonia, Pearce, Portal, Sacaton, San Manuel, San Simon, Santa Rosa, Sasabe, Sells, Sierra Vista, Stotonic, Sunizona, Superior, Tombstone, Tucson, Gorllewin San Simon, Whitlow, Willcox, Saguaro NP, Organ Pipe Cactus NM | |
| 602 | canolog Phoenix (yn cynnwys y rhan fwyaf o Phoenix a rhannau o rai maestrefi) | |
| 623 | Avondale, Black Canyon City, Buckeye, Circle City, El Mirage, Glendale, Afon Newydd, Peoria, Sun City, Sun City West, Surprise, Tolleson, Tonopah, Wintersburg; gorllewin / gogledd-orllewin Phoenix ardal | |
| 928 | Aguila, Alpine, Arizona Village, Ash Fork, Bagdad, Black Mesa, Blue Ridge, Bonita, Bouse, Bullhead City, Bullhead City North, Cameron, Camp Verde, Castle Rock, Chinle, Chino Valley, Cibola, Clifton, Coconino Plateau, Colorado City, Cottonwood, Dennehotso, Dilcon, Duncan, Eagar, East Kingman, Ehrenberg, Flagstaff, Ft. Apache, Ft. Defiance, Fredonia, Ganado, Gila Bend, Globe, Golden Valley, Grand Canyon, Greasewood, Green Haven, Greer, Dyffryn Harquahala, Llyn Hawley, Heber, Holbrook, Humboldt, Hyder, Joseph City, Kaibito, Kayenta, Keams Canyon, Kingman, Kykotsmovi Village, Lake Havasu City, Lake Mohave Ranchos, Lake Pleasant, Le Chee, Leupp, Littlefield, Lukachukai, Many Farms, Marble Canyon, McNary, Meadview, Mesquite Creek, Miami, Mohave Valley, Mormon Lake , Munds Park, Page, Parker, Parker Dam, Payson, Peach Springs, Pima, Pinedale, Pinetop, Pinon Cottonwood, Polacca, Poston, Prescott, Quartzsite, Red Valley, Rock Point, Roosevelt Lake, Rough Rock, Safford, Saint Johns, Salome, San Carlos, Sanders, Sedona, Seligman, Shonto, Show Low, Snowflake, Somerton, Springerville, Supai, Teec Nos Pos, Basn Tonto, Toyei, Tsaile, Tuba City, Wellton, Whiteriver, Wickenburg, Wide Ruins, Wikieup, Williams , Window Rock, Winslow, Yarnell, Yarnell, Young, Yucca, YumaNP Grand Canyon, NP Coedwig Garreg, Canyon de Chelly NM | |
| – C – | ||
| CA | SYLWCH: mae codau ardal yng Nghaliffornia yn dilyn ffiniau rhagddodiad, nad ydynt yn cyd-fynd yn union â ffiniau dinesig neu sirol.Felly, mae llawer o ddinasoedd a threfi, yn enwedig yn yr ardaloedd trefol, wedi'u rhannu rhwng dau neu fwy o godau ardal.Nid yw pob achos o'r fath wedi'i nodi isod. . | |
| 209 | Galt, Ione, Livingston, Lodi, Los Banos, Manteca, Merced, Modesto, Oakdale, Patterson, Ripon, Stockton, Tracy, Tuolomne Meadows, Turlock, Yosemite NP | |
| 213 | craidd canol y ddinas Los Angeles ardal fusnes, gan gynnwys Chinatown, Echo Park, Westlake, y rhan fwyaf o Koreatown | |
| 310 | Bryniau Agoura, (rhan o) Beverly Hills, Brentwood, Culver City, (rhan o) Inglewood, Maes Awyr LAX, Lennox, Malibu, Marina Del Rey, Pacific Palisades, Playa Del Rey, Santa Monica, Topanga, UCLA (gan gynnwys Canolfan Feddygol UCLA) , Fenis, (rhan o) Gorllewin Hollywood, Gorllewin yr ALl, Westlake Village, de-orllewin Sir yr ALl | |
| (424) | Avalon (Ynys Santa Catalina), Carson, Compton, Bryniau Dominguez, El Segundo, Gardena, Hawthorne, Traeth Hermosa, Lomita, (rhan fach o) Long Beach, Lynwood, Traeth Manhattan, Rancho Palos Verdes, Traeth Redondo, San Pedro, Torrance; (O 2003-10-16, mae rhaniad 310/424 wedi’i ohirio unwaith eto. Fodd bynnag, mae’n bosibl y caiff ei adfywio ar fyr rybudd.) | |
| 323 | “toesen” o amgylch craidd canol y ddinas Los Angeles, gan gynnwys Bell, Cudahy, Parc Huntington, Hyde Park, Silver Lake, Vernon, Watts, y rhan fwyaf o Hollywood, Montebello, a South Gate, a rhannau o Alhambra, Beverly Hills, Commerce, Inglewood, Los Angeles, Parc Monterey, Pasadena, West Hollywood, a chymunedau eraill | |
| 408 | Cupertino, Gilroy, Los Gatos, Milpitas, San José, Santa Clara, Saratoga, Sunnyvale | |
| 415 | Brisbane, rhan o Daly City, Larkspur, Mill Valley, Novato, Point Reyes, San Francisco, San Rafael, Sausalito, bron pob un o Siroedd Marin a San Francisco ynghyd â rhan fach o ogledd-ddwyrain Sir San Mateo | |
| 510 | Alameda, Berkeley, Castro Valley, Crockett, El Cerrito, El Sobrante, Fremont, Hayward, Newark, Oakland, Richmond, San Leandro, Union City; | |
| 530 | Auburn, Cameron Park, Chico, Corning, Davis, Grass Valley, Hoopa, Markleeville, Marysville, Orland, Oroville, Palermo, Paradise, Placerville, Red Bluff, Redding, South Lake Tahoe, Susanville, Thermalito, Truckee, Willow Creek, Willows, Coetir, Yreka, Yuba City | |
| 559 | Avenal, Chowchilla, Clovis, Coalinga, Corcoran, Dinuba, Ducor, Exeter, Fresno, Hanford, Kerman, Kettleman City, Kingsburg, Lemoore, Lindsay, Madera, Mendota, Mono Hot Springs, Orange Cove, Orosi, Parlier, Porterville, Reedley, Selma, Tulare, Visalia, Woodlake, Woodville, Kings Canyon NP, Sequoia NP | |
| 562 | Artesia, Clochlys, Cerritos, Downey, La Habra, La Mirada, Lakewood, (y rhan fwyaf ohonynt) Long Beach, Los Alamitos, Norwalk, Paramount, Pico Rivera, Rossmoor, Traeth Morloi, Signal Hill, Whittier | |
| 619 | y rhan fwyaf o'r San Diego (Sylwer: mae rhannau o San Diego yn 760 a 858); Alpaidd (Sir San Diego), Boulevard, Campo, Chula Vista, Coronado, Descanso, Dulzura, El Cajon, Imperial Beach, Jacumba, Jamul, Lakeside, (y rhan fwyaf o) Lemon Grove, (y rhan fwyaf o) Dinas Genedlaethol, Pine Valley, San Ysidro, Santee, Spring Valley | |
| 626 | Alhambra, Altadena, Arcadia, Azusa, Parc Baldwin, Covina, El Monte, Glendora, La Puente, Monrovia, Parc Monterey, Pasadena, Rosemead, San Gabriel, Dyffryn San Gabriel | |
| 650 | Belmont, Burlingame, Colma, (llawer o) Daly City, Los Altos, Menlo Park, Millbrae, Mountain View, Môr Tawel, Palo Alto, Redwood City, San Bruno, San Carlos, Maes Awyr San Francisco (SFO), San Mateo; "Y Penrhyn" | |
| 661 | Arvin, Maes Bakersfield, California Hot Springs, Castaic, Cuyama, Delano, Earlimart, Frazier Park, Gorman, Lancaster, gogledd Los Angeles Sir, McFarland, McKittrick, Mojave, Newhall, Oildale, Palmdale, Rosamond, Santa Clarita, Shafter, Taft, Tehachapi, Valyermo, Wasco | |
| 707 | Annapolis, Arcata, Asti, Benicia, Bae Bodega, Boyes Hot Springs, Calistoga, Clearlake, Cotati, Crescent City, Dixon, Eureka, Fairfield, Ferndale, Fort Bragg, Geyserville, Gualala, Guerneville, Healdsburg, Hopland, Lakeport, Middletown, Napa, Orick, Petaluma, Petrolia, Rohnert Park, St. Santa Rosa, Sonoma, Suisun City, Tomales, Ukiah, Vacaville, Vallejo, Willits, Yorkville, Yountville; “The Wine Country” ac arfordir y gogledd | |
| 714 | gogledd Sir Orange: Anaheim, Brea, Parc Buena, (rhan o) Costa Mesa, Cypress, Fountain Valley, Fullerton, Traeth Huntington, La Palma, Oren, Placentia, (y rhan fwyaf o) Santa Ana, Silverado, Stanton, Villa Park, San Steffan, Yorba Linda | |
| 760 | Adelanto, Apple Valley, Barstow, Bishop, Blythe, Borrego, Brawley, Bridgeport, Calexico, California City, Carlsbad, Dinas y Gadeirlan, Llyn Tsieina, Coachella, El Centro, Encinitas, Escondido, Fairview, Fallbrook, Ft. Irwin, Hesperia, Indio, Inyokern, Julian, La Quinta, Llyn Isabella, Lee Vining, Llyn Mammoth, Mono Lake, Mt. Palomar, Needles, Oceanside, Onyx, Pala, Palm Springs, Dyffryn Pauma, Pendleton, Phelan, Pinon Hills, Ramona, Ridgecrest, San Marcos, Twentynine Palms, Victorville, Valley Center, Vista, Warner Springs, Winterhaven, Wrightwood, Yucca Valley; Death Valley NP, Joshua Tree NP; yn cynnwys rhan fach o San Diego ei hun | |
| 805 | Arroyo Grande, Atascadero, Bradley, Camarillo, Cambria, Cape San Martin, Cholame, Fillmore, Goleta, Grover Beach, Guadalupe, Lompoc, Los Osos, Moorpark, Bae Morro, Ojai, Oxnard, Paso Robles, Pismo Beach, Point Mugu, San Luis Obispo, San Simeon, Santa Barbara, Santa Maria, Simi Valley, Thousand Oaks, Ventura | |
| 818 | Agora, Arleta, Burbank, Calabasas, Parc Canoga, Chatsworth, Encino, Glendale, Granada Hills, La Canada, La Crescenta, Mission Hills, Montrose, Gogledd Hollywood, Northridge, Pacoima, Reseda, San Fernando, Sepulveda, Oaks Sherman, Studio City, Sun Valley, Sylmar, Tarzana, Van Nuys, Woodland Hills, y rhan fwyaf o Ddyffryn San Fernando (Mae cynlluniau ar gyfer rhaniad 818/747 wedi’u llunio, ond mae unrhyw gamau ar y cynlluniau hynny wedi’u gohirio tra’n aros am adolygiad.) | |
| 831 | Aptos, Ben Lomond, Basn Mawr, Big Sur, Boulder Creek, Bryson, Carmel, Castroville, Greenfield, Hollister, King City, Marina, Monterey, Traeth Pebble, Salinas, San Ardo, San Juan Bautista, Santa Cruz, Cwm Scotts, Glan y Môr, Soledad, Watsonville | |
| 858 | Del Mar, La Jolla, Poway, Rancho Bernardo, Rancho Santa Fe, Traeth Solana; ger maestrefi gogleddol San Diego (gan gynnwys rhan fach o San Diego ei hun) | |
| 909 | Anza, Banning, Beaumont, Big Bear Lake, Calimesa, Canyon Lake, Chino, Chino Hills, Claremont, Colton, Corona, Crestline, Devore, Diamond Bar, Fontana, Hemet, Highland, Idyllwild, La Verne, Lake Elsinore, Lakeland Village, Mira Loma, Montclair, Dyffryn Moreno, Murietta, Norco, Ontario, Perris, Pomona, Rancho Cucamonga, Redlands, Rialto, Glan yr Afon, Rowland Heights, San Bernardino, San Dimas, San Jacinto, Sun City, Temecula, Upland, Valle Vista, Walnut, Yucaipa; (Mae'r CPUC yn ystyried rhaniad o 909, yn fras ar hyd y llinell sirol. Byddai San Bernardino yn cadw 909, tra bod Glan yr Afon yn rhannu i 951. Bydd manylion yn cael eu hychwanegu wrth iddynt gael eu cwblhau.) | |
| 916 | Bryniau El Dorado, Derw teg, Lincoln, Roseville, Sacramento, Walnut Grove, Gorllewin Sacramento | |
| 925 | Antiochia, Concord, Danville, Livermore, Martinez, Moraga, Orinda, Pittsburg, Pleasanton, San Ramon, Walnut Creek; mewndirol Bae Dwyrain (Mae cynlluniau wedi’u llunio ar gyfer rhaniad daearyddol o 925, gyda’r rhan ddeheuol, gan gynnwys Dulyn, San Ramon, Livermore, a Pleasanton, yn newid i’r cod newydd dirybudd hyd yma, ond mae unrhyw gynlluniau o’r fath wedi’u hatal.) | |
| 949 | de Sir Orange: Aliso Viejo, Corona del Mar, (rhan o) Costa Mesa, El Toro, (y rhan fwyaf o) Irvine, Laguna Beach, Laguna Niguel, Mission Viejo, (y rhan fwyaf o) Casnewydd Traeth, Rancho Santa Margarita, San Clemente, San Juan Capistrano, (y rhan fwyaf o) Tustin | |
| TROSHAENAU WEDI'U CANSLO: 310/424, 408/669, 415/628, 510/341, 650/764, 714/647, 909/752 Efallai y bydd y codau newydd yn cael eu hatgyfodi ar gyfer holltiadau brys munud olaf. YMRANIADAU WEDI'U GOHIRIO: 310/424 (troshaen wedi'i drosi i hollt ond yna ei atal ac yna ei adfer ac yn awr attaliedig drachefn ond gellir ei adfer), 619/935, 707/369/627, 760/442, 818/747, 909/951, a 925/tba | ||
| CNMI | 670 | Cymanwlad Ynysoedd Gogledd Mariana (diriogaeth gyfan) |
| CO | 303 720 | Arvada, Aurora, Boulder, Brighton, Broomfield, Castle Rock, Llwybr y Ceirw, Denver, Englewood, Evergreen, Fort Lupton, Georgetown, Golden, Grant, Greeley, Kiowa, Lafayette, Lakewood, Larkspur, Littleton, Longmont, Nederland, Parker, Roggen, Westminster. (720 troshaenau 303.) |
| 719 | Agate, Alamosa, Bethune, Burlington, Canon City, Colorado Springs, Creede, Del Norte, Fairplay, Flagler, Florence, La Junta, Lamar, Leadville, Limon, Monte Vista, Pueblo, Salida, Trinidad, Walsenburg, Parc Coetir | |
| 970 | Aspen, Berthoud, Carbondale, Clifton, Cortez, Craig, Dillon, Durango, Estes Park, Fort Collins, Fort Morgan, Frisco, Grand Junction, Greeley, Gunnison, Lake City, Loveland, Montrose, Pagosa Springs, Rifle, Seibert, Silverton, Steamboat Springs, Sterling, Telluride, Vail, Vona, Wiggins, Winter Park, Yuma, Mesa Verde NP, Rocky Mountain NP | |
| CT | 203 | Bridgeport, Danbury, Greenwich, Meriden, New Haven, Norwalk, Stamford, Waterbury; (475 troshaen ar 203 wedi'i ohirio am gyfnod amhenodol) |
| 860 | Bryste, Groton, Hartford, Manceinion, Prydain Newydd, Llundain Newydd, Norwich, Torrington, Vernon, Willimantic, Windsor; (959 troshaen ar 860 wedi'i ohirio am gyfnod amhenodol) | |
| – D – | ||
| DC | 202 | Washington, DC |
| DE | 302 | (cyflwr cyfan) |
| – F – | ||
| FL | 239 | Bonita Springs, Cape Coral, Everglades, Flamingo, Fort Myers, Traeth Fort Myers, Immokalee, Lehigh Acres, Ynys Marco, Gorsaf Monroe, Napoli, North Cape Coral, North Fort Myers, Gogledd Napoli, Ynys Pine, Sanibel / Ynysoedd Captiva; Collier, Lee, a (rhan tir mawr o) Siroedd Monroe |
| 305 786 | Talcenni Coral, Hialeah, Homestead, Key Biscayne, Key Largo, Key West, Marathon, Miami, Perrine; (305/786 troshaen) | |
| 321 | Cape Canaveral, Traeth Coco, Grant, Melbourne, Ynys Merritt, Palm Bay, Port St. John, Titusville; (Rhannodd y gyfran hon o 407 i 321, ond mae 321 hefyd yn troshaenu gweddill 407. Y niferoedd presennol yn y rhan hon o 407wedi newid i 321 .) | |
| 352 | Beverly Hills, Bronson, Brooksville, Clermont, Cross City, Dade City, Eustis, Gainesville, Inverness, Keystone Heights, Lady Lake, Leesburg, Mount Dora, Ocala, Spring Hill, Tavares | |
| 386 | ardal orllewinol: Alachua, Branford, Dowling Park, Florida Sheriffs Boys Ranch, Fort White, High Springs, Jasper, Jennings, Lake Butler, Lake City, Live Oak, Luraville, Mayo, Raiford, Wellborn, White Springs ardal ddeheuol: Bostwick, Bunnell, Crescent City, Traeth Daytona, De Leon Springs, DeBary, Deland, (rhan o) Deltona, Traeth Flagler, Florahome, Interlachen, Marineland, Traeth Smyrna Newydd, Oak Hill, Orange City, Palatka, Palm Coast, Pierson, Parc Pomona, Welaka; nodyn arbennig: newidiodd ardal Osteen yn Deltana a chanolfan ardrethi DeBary o 407 i 386, gan uno tref a holltwyd gan ffin cod ardal ers 1965! | |
| 407 321 | Altamonte Springs, Apopka, Genefa, Kenansville, Kissimmee, Orlando, Sanford, Winter Garden, Winter Park, Yeehaw Jct.; (Mae 321 yn troshaenu'r rhan fwyaf o'r gyfran hon o 407, ond mae 321 hefyd yn rhaniad daearyddol o'r gweddill o 407. Y niferoedd presennol yn y rhan hon o 407 aros yn 407. FODD, Newidiodd DeBary a Deltana i 386 yn 2001. Cynlluniwyd 689 fel troshaen o 407/321 a 321, ond cafodd ei ganslo.) | |
| 561 | Belle Glade, Boca Raton, Traeth Boynton, Traeth Delray, Iau, Llyn Harbwr, Pahokee, West Palm Beach;; Palm Beach County a rhan fechan o Sir Martin | |
| 727 | Aripeka, Clearwater, Dunedin, Hudson, Largo, New Port Richey, Palm Harbour, Parc Pinellas, St Petersburg, Tarpon Springs, Tierra Verde | |
| 772 | Fort Pierce, Gifford, Hobe Sound, Indiantown, Traeth Jensen, Port St. Lucie, Sebastian, Stuart, Traeth Vero, Siroedd Afon Indiaidd a St. Lucie a'r rhan fwyaf o Sir Martin | |
| 813 | Brandon, Land O' Lakes, Oldsmar, Plant City, Ruskin, Sun City, Tampa, Capel Wesley, Wimauma, Zephyrhills | |
| 850 | Crestview, De Funiak Springs, Ft. Walton Beach, Madison, Marianna, Milton, Dinas Panama, Pensacola, Perry, Quincy, Tallahassee | |
| 863 | Arcadia, Parc Avon, Bartow, Clewiston, Frostproof, Haines City, La Belle, Llyn Cymru, Lakeland, Moore Haven, Okeechobee, Sebring, Wauchula, Winter Haven | |
| 904 | Baldwin, Callahan, East Palatka, Traeth Fernandina, Green Cove Springs, Hastings, Hilliard, Jacksonville, Traeth Jacksonville, Julington, Llyn Kingsley, Lawtey, Macclenny, Maxville, Middleburg, Olustee, Orange Mills, Orange Park, Ormond Beach, Palm Valley, Ponte Vedra Beach, Port Orange, St. Augustine, St. Johns, Sanderson, Starke, Taylor, Yulee | |
| 941 | Boca Grande, Bradenton, Cape Haze, Englewood, Myakka, North Port, Palmetto, Port Charlotte, Punta Gorda, Sarasota, Fenis; Siroedd Charlotte, Manatee, a Sarasota | |
| 954 (754) | Coral Springs, Davie, Traeth Deerfield, Tr. Lauderdale, Hollywood, Margate, Miramar, Parc Oakland, Traeth Pompano, Tamarac (Bydd 754 yn troshaenu 954) | |
| – G – | ||
| GA | 229 | Adel, Albany, Americus, Bainbridge, Blakely, Brooklyn, Cairo, Camilla, Chattahoochee, Cordele, Dawson (Terrell Co.), Fitzgerald, Georgetown, Moultrie, Quitman, Sylvester, Thomasville, Tifton, Valdosta |
| 404 678 470 | Atlanta, College Park, Decatur, East Point, Forest Park, Sandy Springs (678 a 470 yn troshaenu 404 a 770, er bod bron pob rhif 678 a 470 yn yr ardal 770.) | |
| 478 | Dulyn, Eastman, Forsyth, Fort Valley, Hardwick, Macon, Milledgeville, Millen, Perry, Sandersville, Swainsboro, Warner Robbins, Wrightsville | |
| 770 678 470 | Alpharetta, Barnesville, Treganna, Carrollton, Cartersville, Cedartown, Chamblee, Covington, Dunwoody, Gainesville, Griffin, Jackson, Marietta, Monroe, Newnan, Norcross, Peachtree City, Roswell, Smyrna, Tucker, Winder; amgylchynu, ond nid yw'n cynnwys, Atlanta. (troshaen 678 a 470 404 a 770.) | |
| 706 | ardal ogleddol/ddwyreiniol: Athen, Augusta, Big Canoe, Braselton, Calhoun, Carnesville, Cave Spring, Cleveland, Commerce, Cornelia, Dahlonega, Dalton, Dawsonton, Dawsonville (Dawson Co.), Eatonton, Elberton, Ellijay, Fairmount, Gibson, Hephzibah, Jasper, Jefferson, La Fayette , Madison, Martinez, Maysville, Monticello, Nicholson, Pendergrass, Ceidwad, Rhufain, Rutledge, Sparta, Summerville, Thomson, Toccoa, Watkinsville, Waynesboro, Wintersville, Wrens ardal de-orllewinol: Columbus, Cusseta, Franklin, Gay, Geneva, Greenville, Hamilton, Hogansville, La Grange, Manceinion, North West Point, Pine Mountain, Talbotton, Thomaston, Warm Springs, Waverly Hall, West Point, Woodbury, Woodland ardal de canolog: Yatesville (Mae 706 yn cynnwys tair ardal gyfagos; 770/678/470 a 478 touch i'r dwyrain a'r gorllewin o Yatesville) | |
| 912 | Brunswick, Douglas, Hinesville, Jesup, St. Savannah, statesboro, Sylvania, Vidalia, Waycross | |
| GU | 671 | Guam (tiriogaeth gyfan) |
| – H – | ||
| HI | 808 | (cyflwr cyfan) |
| - I - | ||
| IA | 319 | Allison, Anamosa, Aplington, Argyle, Belle Plaine, Birmingham, Brandon, Brighton, Burlington, Cantril, Cedar Falls, Cedar Rapids, Center Point, Central City, Clarksville, Clutier, Coggon, Conesville, Denver, Dike, Dunkerton, Elberon, Trelái, Fairbank, Farmington, Fort Madison, Frederika, Grandview, Grundy Center, Guernsey, Hartwick, Hazleton, Annibyniaeth, Iowa City, Jesup, Keokuk, Keosauqua, Keswick, Keystone, La Porte City, Lisbon, Lockridge, Lone Tree, Martelle, Mechanicsville, Monticello, Morley, Mt. Pleasant, Mt. Sterling, Mt. Vernon, Nichols, Gogledd Saesneg, Oelwein, Olin, Onslow, Packwood, Parkersburg, Plainfield, Prairieburg, Primrose, Quasqueton, Readlyn, Reinbeck, Richland, Rowley, Solon, South English, Springville, Stanwood, Stockport, Traer, Tripoli, Troy Mills, Urbana, Victor, Vinton, Walker, Washington, Waterloo, Waverly, Wellman, Cangen y Gorllewin, Gorllewin Caer, West Liberty, Winthrop |
| 515 | Adel, Alden, Algona, Altoona, Ames, Buckeye, Clarion, Colfax, Corwith, Dallas Center, De Soto, Des Moines, Dexter, Dows, Earlham, Elkhart, Ft, Indianola, Jefferson, Lakota, McCallsburg, Maxwell, Minburn, Nevada, Norwalk, Perry, Pleasantville, Redfield, Rippey, Runnells, Stuart, Webster City, Winterset | |
| 563 | Alpha, Arlington, Atalissa, Baldwin, Bernard, Bettendorf, Cascade, Centre Junction, Clarence, Clinton, Cresco, Davenport, Decorah, Dubuque, Fredericksburg, Hawkeye, Hopkinton, Lamont, Lawler, Lime Springs, Manceinion, Maqoketa, Maynard, Moscow, Muscatine, Gogledd Caer, Oran, Oxford Junction, Protivin, dinasoedd Quad, Randalia, Rochester, Ryan, Sumner, Tipton, Worthington, Wyoming | |
| 641 | Adair, Bagley, Britt, Buffalo Centre, Centerville, Charles City, Clear Lake, Colo, Corning, Creston, Fairfield, Forest City, Garner, Greenfield, Grinnell, Canolfan Guthrie, Hubbard, Iowa Falls, Jamaica, Kanawha, Knoxville, Liberty Centre , Linden, Lorimor, Macksburg, Marshalltown, Martensdale, Dinas Mason, Menlo, Milo, Mingo, Monroe, New Hampton, Newton, Osceola, Oskaloosa, Otley, Ottumwa, Pella, Periw, Prairie City, Rowan, St. Charles, St. Marys, Truro, Iâl, Zearing | |
| 712 | Atlantic, Bedford, Carroll, Cherokee, Clarinda, Council Bluffs, Denison, Emmetsburg, Estherville, Glenwood, Harlan, Pocahontas, Red Oak, Rockwell City, Shenandoah, Canolfan Sioux, Sioux City, Spencer, Storm Lake, gorllewinol | |
| ID | 208 | (cyflwr cyfan) |
| IL | 217 | Beardstown, Carlinville, Carrollton, Carthage, Ymgyrch, Charleston, Clinton, Danville, Decatur, Effingham, Hoopeston, Jacksonville, Lincoln, Litchfield, Lomax, Mattoon, Pana, Paxton, Rantoul,Springfield |
| 309 | Bloomington, Treganna, Farmer City, Geneseo, Havana, Kewanee, Lacon, Moline, Mynwy, Normal, Pekin, Peoria, dinasoedd cwad, Rock Island | |
| 312 | chicago (ardal y ddinas yn unig — gweler 773); (mae troshaen 872 ar 312 a 773 wedi'i ohirio am gyfnod amhenodol) | |
| 618 | Alton, Belleview, Belleville, Benton, Carbondale, Carmi, Centralia, Caer, Collinsville, Du Quoin, Dwyrain St. Louis, Fairfield, Granite City, Harrisburg, Highland, Jerseyville, Marlon, Metropolis, Mt. Carmel, Mt. Vernon, Newton, Robinson, Salem, Vandalia | |
| 630 | Aurora, Bartlett, Batavia, Downers Grove, Elmhurst, Genefa, Glen Ellyn, HINSDALE, Itasca, Lemont, Lisle, Lombard, Naperville, Plano, Roselle, West Chicago, Yorkville; (331 troshaen ar 630 wedi'i ohirio am gyfnod amhenodol) | |
| 708 | Ynys Las, Chicago Heights, Cicero, La Grange, Parc La Grange, Lansing, Maywood, Lawnt y Dderwen, Parc y Dderwen, Parc Orland, Parc Palos, River Grove, Riverdale, Copa, Parc Tinley | |
| 773 | chicago (y tu allan i ganol y ddinas; yn cynnwys Meysydd Awyr O'Hare a Midway) (mae troshaen 872 ar 312 a 773 wedi'i ohirio am gyfnod amhenodol) | |
| 815 | Crystal Lake, De Kalb, Dixon, Freeport, Harvard, Joliet, Kankakee, Lockport, McHenry, Oglesby, Periw, Pontiac, Princeton, Rochelle, Rock Falls, Rockford, Sterling, Watseka, Woodstock | |
| 847 224 | Arlington Heights, Barrington, Deerfield, Des Plaines, Dundee, Elgin, Pentref Elk Grove, Evanston, Highland Park, Lake Forest, Libertyville, Northbrook, Palatin, Roselle, Schaumburg, Skokie, Waukegan; (224 troshaenau 847) | |
| IN | 219 | Brook, Cedar Lake, Chesterton, Crown Point, Demotte, Dyer, Dwyrain Chicago, Francesville, Gary, Goodland, Hammond, Hanna , Hebron, Highland, Hobart, Kentland, Kouts, La Crosse, La Porte , Llyn y Pedwar Tymor, Gorsaf Llyn, Lake Village, Lowell, Medaryville, Merrillville, Michigan City, Monon, Moroco, Mount Ayr, Portage, Remington, Rensselaer, Reynolds, Rolling Prairie , Roselawn, St. John, San Pierre, Mr. Melinau'r Undeb , Valparaiso, Wanatah, Westville , Wheatfield, Wheeler, Whiting, Wolcott; cafodd trefi a restrwyd mewn coch eu llechi yn wreiddiol i newid i 574, ond symudwyd y ffin. |
| 260 | Albion, Andrews, Angola, Arcola, Ashley, Auburn, Avilla, Berne, Bippus, Bluffton, Bryant, Butler, Churubusco, Columbia City, Corunna, Craigville, Cromwell , Decatur, Etna, Fort Wayne, Fremont, Garrett, Geneva (Adams Co.), Hamilton, Harlan, Howe, Huntertown, Huntington, Kendallville, Kimmell, Lagrange, Lagro, Larwill, Laud, Leo, Liberty Center, Ligonier , Linn Grove, Markle, Mongo, Monroe, Monroeville, New Haven, Gogledd Manceinion, Orland, Ossian, Pennville, Petroleum, Pleasant Lake, Pleasant Mills, Poe Hoagland, Pokagon, Portland, Preble, Reservoir, Roanoke, Saint Joe, Salamonia, Shipshewana, Sidney, Silver Lake, South Milford, South Whitley, Spencerville, Tocsin, Topeka, ardal Tri-Llynnoedd, Uniondale, Urbana, Wabash, Warren, Waterloo, Wawaka, West Wabash, Wolcottville, Woodburn, Zanesville; cafodd trefi a restrwyd mewn coch eu llechi yn wreiddiol i newid i 574, ond symudwyd y ffin. | |
| 317 | Brownsburg, Carmel, Fishers, Franklin, Greenfield, Greenwood, Indianapolis, Noblesville, Shelbyville, Sheridan | |
| 574 | Akron, Argos, Atwood, Bourbon, Bremen, Bryste, Buffalo, Burket, Burnettsville, Burrows, Camden, Claypool, Culver, Deer Creek, Dunlap, Elkhart, Flora, Fulton, Galveston, Goshen, Hamlet, Idaville, Kewanna, Knox, Lapaz , Leesburg, Logansport, Lucerne, Macy, Mentone, Middlebury, Milford, Millersburg, Millwood, Monterey, Monticello, Nappanee, New Carlisle, New Paris, North Judson, North Liberty, North Webster, Osceola, Pierceton, Plymouth, Rochester, Royal Centre , South Bend, Star City, Syracuse, Tippecanoe, Twelve Mile, Wakarusa, Walkerton, Walton, Warsaw, Winamac, Wyatt, Yeoman; Addaswyd ffiniau rhaniad 219/574/260 ar ôl y cyhoeddiad gwreiddiol.Yn flaenorol, roedd llechi i drefi a restrir mewn coch o dan 219 neu 260 uchod i symud i 574, ond fe'u newidiwyd i 260 neu yn ôl i 219. | |
| 765 | Alexandria, Anderson, Brookville, Connorsville, Crawfordsville, Delphi, Frankfort, Genefa (Shelby County), Greencastle, Hartford City, Kokomo, Lafayette, Libanus, Marion, Martinsville, Mecsico, Muncie, Castell Newydd, Periw, Richmond, Roann, Rushville, Winchester | |
| 812 | Bedford, Bloomington, Boonville, Brasil, Charlestown, Columbus, Caeredin, Evansville, Greensburg, Jasper, Madison, Morgantown, Mt. Vernon, Albany Newydd, Scottsburg, Sellersburg, Seymour, Tell City, Terre Haute, Vincennes, Washington | |
| – K – | ||
| KS | 316 | Andale, Andover, Augusta, Bentley, Benton, Cheney, Colwich, Derby, Douglass, El Dorado, Garden Plain, Goddard, Halstead, Kechi, Leon, Mount Hope, Mulvane, Newton, Rose Hill, Sedgwick, Towanda, Valley Centre, Whitewater , Wichita |
| 620 | Albert, Allen, America, Arkansas City, Atlanta, Beaumont, Belle Plaine, Bronson, Burdett, Burlington, Burns, Burrton, Bushton, Treganna, Cassoday, Cimarron, Claflin, Clearwater, Coffeyville, Colony, Conway, Conway Springs, Cottonwood Falls, Council Grove, Dyfnaint, Dighton, Dinas Dodge, Dunlap, Durham, Emporia, Fort Scott, Fulton, Galatia, Galva, Garden City, Geneseo, Great Bend, Hanston, Haven, Healy, Hesston, Hillsboro, Hoisington, Hutchinson, Annibyniaeth, Iola, Jetmore, Kincaid, Larned, Latham, Lebo, Lehigh, Leoti, Leroy, Liberal, Lincolnville, Little River, Lyons, McPherson, Mapleton, Marienthal, Marion, Milberger, Murdock, Neosho Falls, Norwich, Olmitz, Parsons , Peabody, Pittsburg, Potwin, Pretty Prairie, Reading, Riverdale, Rock, Rosalia, Rozel, Scott City, Tribune, Udall, Ulysses, Walton, Wellington, Windom, Winfield | |
| 785 | Abilene, Colby, Ellsworth, Garnet, Hays, Junction City, La Crosse, Lawrence, Lyndon, Manhattan, Ness City, Oakley, Oskaloosa, Ottawa, Purcell, Russell, Salina, Sharon Springs, Topeka, Troy | |
| 913 | Atchison, Bush City, Edgerton, Kansas City KS, Leavenworth, Lenexa, Mound City, Olathe, Osawatomie, Overland Park, Shawnee, Tonganoxie, Winchester | |
| KY | 270 | Gwyrdd Bowlio, Burkesville, Campbellsville, Elizabethtown, Franklin, Glasgow, Hopkinsville, Jamestown, Libanus, Madisonville, Mayfield, Murray, Owensboro, Paducah, Princeton, Russellville |
| 502 | Bardstown, Fort Knox, Frankfort, Georgetown, Lawrenceburg, Louisville, Owenton | |
| 606 | Albani, Ashland, Brooksville, Corbin, Flemingsburg, Hazard, Irvine, Liberty, London, McKee, Maysville, Middlesboro, Monticello, Morehead, Mt. Olivet, Mt. Vernon, Owingsville, Pikeville, Gwlad yr Haf, South Williamson, Stanford, Stanton, Williamsburg | |
| 859 | Berea, Carlisle, Maes Awyr Cincinnati, Covington, Cynthiana, Danville, Falmouth, Harrodsburg, Lexington, Mt. Sterling, Paris, Richmond, Springfield, Versailles, Warsaw, Williamstown, Willisburg, Winchester | |
| - L - | ||
| LA | 225 | Albani, Baton Rouge, Donaldsonville, Gonzales, Greensburg, Ffyrdd Newydd, Plaquemine, Vacherie |
| 318 | Alexandria, Bastrop, Bossier City, Bunkie, Calcasieu, Ferriday, Grambling, Haughton, Many, Marksville, Monroe, Natchitoches, Oakdale, Ruston, Shreveport, Tallulah, Winnfield, Winnsboro | |
| 337 | Abbeville, Baldwin, Crowley, De Ridder, Eunice, Franklin, Jeanerette, Jennings, Kaplan, Lafayette, Lake Charles, Leesville, New Iberia, Opelousas, Sylffwr, Ville Platte | |
| 504 | Bertrandville, Chalmette, Delacroix, Ironton, Jesuit Bend, Kenner, Lafitte, Lake Catherine, Metairie, Myrtle Grove, New Orleans, St. Bernard, Yscloskey | |
| 985 | lan y gogledd: Amite City, Angie, Bogalusa, Bush, Covington, Folsom, Franklinton, Hammond, Annibyniaeth, Kentwood, Lacombe, Madisonville, Mandeville, Mount Hermon, Pearl River, Pine, Pontchatoula gorllewin o New Orleans: Chhackbay, Edgard, Galliano, Garyville, Gibson, Golden Meadow, Grand Isle, Houma, Labadieville, Laplace, Larose, Leeville, Lockport, Luling, Montegut, Morgan City, Napoleonville, Norco, Paradis, Patterson, Pierre Part, Raceland, Reserve, Thibodaux Delta Afon Mississippi: Buras, Carlisle, Magnolia, Pointe à la Hache, Port Sylffwr (Mae 985 yn gyfagos, ond prin yn unig. Mae coridor I-55 trwy Laplace yn cysylltu glan ogleddol Llyn Pontchartrain a'r ardal i'r gorllewin o New Orleans; mae ardal Delta wedi'i chysylltu dros ddŵr ar Fae Barataria.) | |
| - M - | ||
| MA | 413 | Adams, Amherst, Greenfield, Holyoke, Northampton, Pittsfield, Springfield, Ware, Westfield |
| 508 774 | Attleboro, Brockton, Cape Cod, Fall River, Falmouth, Framingham, Hyannis, Marlborough, Martha's Vineyard, Nantucket, Natick, New Bedford, North Easton, Plymouth, Southbridge, Taunton, Walpole, Wayland, Worcester (774 troshaenau 508) | |
| 617 857 | Belmont, Boston (gan gynnwys Brighton, Dorchester, Hyde Park, Jamaica Plain, a Roxbury), Brookline, Cambridge, Chelsea, Everett, Milton, Newton, Quincy, Somerville, Watertown, Winthrop; (857 troshaenau 617) | |
| 781 339 | Arlington, Braintree, Burlington, Treganna, Chelsea, Cohasset, Dedham, Duxbury, Kingston, Lexington, Lynn, Malden, Medford, Needham, Randolph, Reading, Revere, Rockland, Saugus, Stoughton, Wakefield, Waltham, Wellesley, Weymouth, maestrefi ar bob ochr i Boston. (339 troshaenau 781) | |
| 978 351 | Andover, Athol, Barre, Beverly, Billerica, Chelmsford, Concord, Danvers, Fitchburg, Caerloyw, Haverhill, Lawrence, Llanllieni, Lowell, Maynard, Methuen, Salem Newydd, Peabody, Salem, Sudbury, Wilmington (351 troshaenau 978) | |
| MD | 301 240 (227?) | Aspen Hill, Bethesda, Bowie, Brunswick, College Park, Cumberland, Frederick, Gaithersburg, Golden Beach, Greenbelt, Hagerstown, Hyattsville, Laurel, Lexington Park, Montgomery Village, New Carrollton, Potomac, Rockville, St. Charles, St. , Arian Gwanwyn, Wheaton, maestrefi DC; (troshaen 301/240,227 trosodd wedi ei ohirio am gyfnod amhenodol ) |
| 410 443 (667?) | Aberdeen, Annapolis, Baltimore, Berlin, Caergrawnt, Catonsville, Chestertown, Columbia, Crisfield, Dundalk, Easton, Edgewood, Essex, Glen Burnie, Havre de Grace, Joppatowne, Laurel, Perry Hall, Pocomoke City, Prince Frederick, Reisterstown, Salisbury, Solomons, Taneytown, Towson , San Steffan; (troshaen 410/443, 667 trosodd wedi ei ohirio am gyfnod amhenodol ) | |
| ME | 207 | (cyflwr cyfan) |
| MI | 231 | Acme, Amble, Big Rapids, Cadillac, Casnovia, Cheboygan, Coral, Fruitport, Grant, Howard City, Ludington, Mackinaw City, Manistee, Muskegon, Newaygo, Petoskey, Ravenna, Traverse City |
| 248 (947?) | Birmingham, Farmington Hills, Ferndale, Holly, Leonard, (rhan o) Livonia, Novi, Pontiac, Rochester, Southfield, Troy, Waterford, West Bloomfield, Llyn Whitmore, Swydd Oakland; (Gall 947 droshaenu 248; cynllun troshaen wedi'i adfer gan MPSC, ond bellach wedi'i ohirio eto am gyfnod amhenodol) | |
| 269 | Allegan, Athen, Augusta, Banfield, Bangor, Baroda, Battle Creek, Bellevue, Harbwr Benton, Berrien Springs, Bloomingdale, Bridgman, Buchanan, Burr Oak, Cassopolis, Centreville, Climax, Coloma, Colon, Constantine, Cudd, Decatur, Delton, Dowagiac, Eau Claire, Edwardsburg, Fennville, Fulton, Galesburg, Galien, Ganges, Glenn, Gobles, Grand Junction, Hamilton, Hartford, Hastings, Hickory Corners, Hopkins, Kalamazoo, Lacey, Lacota, Lawrence, Lawton, Marcellus, Marshall, Martin, Mattawan, Mendon, Middleville, New Buffalo, Niles, Olivet, Otsego, Paw Paw, Pine Lake, Plainwell, Pullman, Richland, St Joseph, Saugatuck, Sawyer, Schoolcraft , Scotts, Sister Lakes, South Haven, Sturgis, Three Oaks, Three Rivers, Union, Vandalia, Vicksburg, Watervliet, Wayland, White Pigeon, Woodland | |
| 313 (679?) | Annwyl, Detroit, Grosse Pointe, Wayne; nodyn arbennig: Symudodd niferoedd Livonia i 248, gyda rhifau 7 digid newydd; (gall 679 droshaenu 313; gohirio am gyfnod amhenodol) | |
| 517 | Adrian, Albion, Burlington, Charlotte, Coldwater, Corunna, Hillsdale, Howell, Jackson, Lansing, Owosso, St. Johns, Tecumseh | |
| 586 | Armada, Center Line, Eastpointe, Mt. Clemens, New Baltimore, New Haven, Richmond, Romeo, Roseville, Utica, Warren, Washington, Sir Macomb | |
| 616 | Ada, Allendale, Alto, Belding, Borculo, Canolfan Byron, Caledonia, Casnovia, Cedar Springs, Clarksville, Conklin, Coopersville, Dorr, Drenthe, Dutton, Freeport, Grand Haven, Grand Rapids, Grattan, Greenville, Holland, Hudsonville, Ionia, Jamestown, Kent City, Llyn Odessa, Lowell, Marne, Moline, Orleans, Rockford, Sand Lake (Kent Co.), Saranac, Sparta, Trufant, Wyoming, Zeeland | |
| 734 | Ann Arbor, (rhan o) Livonia, Monroe, Ypsilanti, Maes Awyr Metro Detroit (DTW); (gall 278 droshaenu 734; gohirio am gyfnod amhenodol) | |
| 810 | Algonac, Almont, Avoca, Brighton, Brown City, Byron, Capac, Clio, Columbiaville, Croswell, Davison, Deckerville, Dryden, Emmett, Fenton, Y Fflint, Flushing, Goodells, Goodrich, Grand Blanc, Hadley, Hartland, Imlay City, Jeddo, Lapeer, Lennon, Lexington, Linden, Marine City, Memphis, Metamora, Montrose, Mt. Clemens, Mt. Morris, New Lothrop, Cangen y Gogledd, Otisville, Port Huron, Port Sanilac, Rankin, Roseville, St. Clair, Sandusky, Smiths Creek, Snover, Swartz Creek, Iâl | |
| 906 | Iron Mtn., Isle Royale, Marquette, Menominee, Sault Ste. Marie; penrhyn uchaf | |
| 989 | Alma, Alpena, Atlanta, Bad Axe, Bay City, Caro, Gaylord, Ithaca, Midland, Mt. Pleasant, Rogers City, Roscommon, Saginaw, Stanton | |
| MN | 218 | Bemidji, Brainerd, Duluth, East Grand Forks, Elbow Lake, Moorhead |
| 320 | Alexandria, Rhaeadr Fach, Cwmwl, Wheaton | |
| 507 | Canby, Fairmont, Faribault, Gaylord, Kellogg, Luverne, Mankato, New Ulm, Northfield, Redwood Falls, Rochester, Winona | |
| 612 | Snelling, Lauderdale, Minneapolis, Richfield, St. Anthony, Maes Awyr M/SP, dim trefi eraill | |
| 651 | Arden Hills, Castle Rock, Columbus, Eagan, Falcon Heights, Farmington, Harris, Lake City, Lino Lakes, Mendota, New Brighton, Red Wing, Rosemount, Roseville, Sant Paul, Shoreview, Stark, Vermillion, Wabasha | |
| 763 | Anoka, Blaine, Canolfan Brooklyn, Parc Brooklyn, Buffalo, Caergrawnt, Champlin, Circle Pines, Columbia Heights, Coon Rapids, Elk River, Fridley, Golden Valley, Ham Lake, Lexington, Maple Grove, Medina, Mounds View, New Hope, Plymouth, Princeton, Robbinsdale; maestrefi gogledd-orllewinol o Minneapolis | |
| 952 | Apple Valley, Belle Plaine, Bloomington, Burnsville, Chaska, Eden Prairie, Edina, Hopkins, Lakeville, Minnetonka, Yr Almaen Newydd, New Prague, Norwood, St. Louis Park, Savage, Shakopee, America Ifanc, maestrefi de-orllewinol o Minneapolis | |
| MO | 314 | Bridgeton, Creve Coeur, Fergdefnyddion, Florissant, Hazelwood, Kirkwood, Ladue, Mehlville, Oakville, Overland, Riverview, St Louis, Sappington, Llyn Sbaeneg, Webster Green (557 troshaen ar 314 wedi'i ganslo) |
| 417 | Alton, Branson, Hermitage, Houston, Joplin, Libanus, Neosho, Nevada, Springfield, Gwastadedd y Gorllewin | |
| 573 | Cape Girardeau, Columbia, Fredericktown, Dinas Jefferson, Madrid Newydd, Poplar Bluff, Rolla, Sikeston | |
| 636 | Ballwin, Chesterfield, Crystal City, De Soto, Fenton, Festus, Foley, Herculaneum, High Hill, Hillsboro, Holstein, Imperial, Jonesburg, Manceinion, Maxville, O'Fallon, Portage des Sioux, St Charles, Troy, Truxton, Union, Valley Park, Warrenton, Washington, West Alton, Winfield | |
| 660 | Alexandria, Booneville, Butler, Clinton, Kahoka, Kirksville, Marshall, Maryville, Moberly, Oregon, Paris, Sedalia, Warsaw | |
| 816 | Blue Springs, Harrisonville, Annibyniaeth, Kansas City Richmond, MO St Joseph, Warrensburg; (975 troshaen ar 816 wedi'i ganslo) | |
| MP | 670 | Cymanwlad Ynysoedd Gogledd Mariana (diriogaeth gyfan) |
| MS | 228 | Bay St. Louis, Biloxi, Gulfport, Hurley, Moss Point, Ocean Springs, Pascagoula, Pass Christian, Pearlington, pen deheuol eithafol MS |
| 601 | Brookhaven, Carthage, Hattiesburg, Jackson, Laurel, Lucedale, McComb, McNeill, Meridian, Natchez, Picayune, Vicksburg, Wiggins | |
| 662 | Columbus, Corinth, Greenville, Greenwood, Grenada, Rhydychen, Tupelo, Dinas Yazoo | |
| MT | 406 | (cyflwr cyfan) |
| – N – | ||
| NC | 252 | Cape Hatteras, Dinas Elizabeth, Greenville, Henderson, Kill Devil Hills, Kinston, Morehead City, New Bern, Rocky Mount, Washington, Wilson |
| 336 | Asheboro, Burlington, Greensboro, High Point, Jefferson, Lexington, Mt. Airy, Roxboro, Wilkesboro, Mr. Winston-Salem, Yanceyville | |
| 704 980 | Albemarle, Charlotte, Concord, Gastonia, Kannapolis, Lincolnton, Monroe, Shelby, statesville, Wadesboro; (980 troshaenau 704) | |
| 828 | Asheville, Boone, Brevard, Forest City, Granite Falls, Hendersonville, Hickory, Lenoir, Morganton, Newton | |
| 910 | Dunn, Fayetteville, Jacksonville, Laurinburg, Lumberton, Rockingham, Wilmington | |
| 919 | Chapel Hill, Durham, Goldsboro, Raleigh, Sanford, Smithfield; (984 troshaen ar 919 wedi'i ganslo) | |
| ND | 701 | (cyflwr cyfan) |
| NE | 308 | Canol y Ddinas, Grand Island, Kearney, Merriman, North Platte, Scottsbluff |
| 402 | Columbus, Hastings, Lincoln, Omaha, De Sioux City, Valentine | |
| NH | 603 | (cyflwr cyfan) |
| NJ | 201 551 | Bayonne, Cliffside Park, Englewood, Fair Lawn, Hackensack, Hoboken, Jersey City, Leonia, Little Ferry, Lyndhurst, Paramus, Park Ridge, Ramsey, Rutherford, Union City; (551 troshaenau 201) |
| 609 | Atlantic City, Barnegat, Browns Mills, (rhan o) Buena Vista, Burlington, Cape May, Cranbury, Hightstown, Lambertville, Lawrenceville, (y rhan fwyaf o) Medford, Pennington, Princeton, Trenton, Willingboro, (rhan o) Winslow | |
| 732 848 | Parc Asbury, Bound Brook, Crestwood Village, Rhydd-ddaliad, Holmdel, Keyport, Lakewood, Long Branch, Metuchen, Mynwy Jct., New Brunswick, Perth Amboy, Point Pleasant, Rahway, Red Bank, South River, Toms River, Woodbridge; (848 troshaenau 732) | |
| 856 | Bridgeton, (rhan o) Buena Vista, Camden, Cherry Hill, Dennis, Glassboro, Haddonfield, (y rhan fwyaf o) Maurice River, (rhan o) Medford, Monroe, Vineland, (y rhan fwyaf o) Waterford, (rhan o) Winslow | |
| 908 | Bedminster, Bernardsville, Clinton, Cranford, Elizabeth, Hackettstown, Linden, Plainfield, Somerville, Summit, Union, Washington, Westfield | |
| 973 862 | Belleville, Bloomfield, Boonton, Butler, Caldwell, Dover, Hawthorne, Livingston, Madison, Millburn, Treforys, Newark, Newton, Nutley, Orange, Passaic, Paterson, Succasunna, Verona, Wayne, Whippany; (862 troshaenau 973; cyhoeddwyd yn wreiddiol fel 356 i droshaenu 973, ond newidiwyd ar gais yr NJ-BPU ) | |
| NM | 505 | (cyflwr cyfan) (rhaniad 505/575 wedi'i ganslo) |
| NV | 702 | Boulder City, Cal-Nev-Ari, Henderson, Indian Springs AFB, Las Vegas, Laughlin, Mesquite, Moapa, Gogledd Las Vegas; bron y cyfan o Sir Clark |
| 775 | Alamo, Mynydd y Frwydr, Carson City, Twll y Diafol, Elko, Trelái, Hawthorne, Mercwri, Pahrump, Reno, Sparks, Spring Creek, Tonopah, Winnemucca; popeth y tu allan i Sir Clark | |
| NY | 212 646 | New York City (Manhattan yn unig) (troshaen 212/646) |
| 315 | Auburn, Genefa, Little Falls, Ontario, Oswego, Penn Yan, Potsdam, Rhufain, Romulus, Syracuse, Utica, Watertown | |
| 516 | Long Island (Sir Nassau): Albertson, Baldwin, Bayville, Bethpage, Elmont, Farmingdale, Floral Park, Franklin Square, Garden City, Great Neck, Hempstead, Hicksville, Jericho, Levittown, Locust Grove, Long Beach, Lynbrook, Manhasset, Massapequa, Mineola , Oceanside, Oyster Bay, Plainview, Port Washington, Roslyn, Sea Cliff, Syosset, Uniondale, Valley Stream, Westbury, Williston Park, Woodbury; yn union yn cwmpasu Sir Nassau | |
| 518 | Albany, Colonie, Glens Falls, Gloversville, Schenectady, Troy | |
| 585 | Albion, Batavia, Belmont, Brighton, Canandaigua, Dansville, Gates, Geneseo, Gwlad Groeg, Hall, Irondequoit, Medina, Rochester, Warsaw, Webster, Wellsville, Wyoming; y cyfan neu'r rhan fwyaf o siroedd Allegany, Genesee, Livingston, Monroe, Ontario, Orleans, a Wyoming, ynghyd â rhannau o Siroedd Steuben a Yates | |
| 607 | Binghamton, Corning, Cortland, Elmira, Hornell, Ithaca, Oneonta, Roscoe | |
| 631 | Long Island (Sir Suffolk): Amityville, Bay Shore, Brentwood, Brookhaven, Centereach, Cold Spring Harbour, Commack, Deer Park, Fishers Island, The Hamptons, Hauppauge, Holbrook, Gorsaf Huntington, Islip, Lindenhurst, Montauk, Oakdale, Patchogue, Port Jefferson , Riverhead, Rocky Point, Sayville, Smithtown, Stony Brook, Gorllewin Babilon; yn union yn cwmpasu Sir Suffolk | |
| 716 | Buffalo, Dunkirk, Fredonia, Jamestown, Lancaster, Lockport, Niagara Falls, Olean, Salamanca, Tonawanda; yn union yr un fath â Siroedd Cattaraugus, Chautauqua, Erie, a Niagara, ynghyd ag Archebion Indiaidd Tonawanda ac Oil Springs. | |
| 718 347 | Dinas Efrog Newydd (Bronx, Brooklyn, Queens, Ynys Staten).gan gynnwys Far Rockaway, Flushing, Jamaica, Long Island City (troshaen 718/347) | |
| 845 | Brewster, Callicoon, Carmel, Dunraven, Kingston, Middletown, Monticello, Nanuet, New City, Newburgh, Nyack, Pearl River, Poughkeepsie, Saugerties, Tappan, West Point | |
| 914 | Bedford, Chappaqua, Croton Falls, Dobbs Ferry, Harrison, Larchmont, Mamaroneck, Mt. Vernon, New Rochelle, Peekskill, Purchase, Rye, Scarsdale, Tarrytown, Tuckahoe, Gwastadeddau Gwyn, Yonkersyn union yn cwmpasu Sir Westchester | |
| 917 | New York City (pob un o’r 5 bwrdeistref, troshaen yn wreiddiol ar gyfer cellog, galwyr, post llais; bellach mae ganddo rai niferoedd rheolaidd; troshaenau’r ddwy ardal 212/646 a 718/347) | |
| - O - | ||
| OH | 216 | Beachwood, Cleveland, Euclid, Annibyniaeth, Lakewood, Shaker Heights |
| 330 234 | Akron, Aurora, Brunswick, Treganna, Dwyrain Lerpwl, Caint, Medina, Millersburg, New Philadelphia, Northfield, Warren, Wooster, Youngstown; (234 troshaenau 330) | |
| 419 567 | Lawnt Fowlio, Herfeiddiad, Findlay, Yr Iseldiroedd, Lima, Mansfield, Maumee, Sandusky, Sylvania, Toledo; (567 troshaenau 419) | |
| 440 | Ashtabula, Bedford, Berea, Chagrin Falls, Elyria, Lorain, Mayfield Hts., Mentor, North Olmsted, (y rhan fwyaf o) Parma, Strongsville, Vermilion | |
| 513 | Cherry Grove, Cincinnati, Fairhaven, Fayetteville, Glendale, Groesbeck, Hamilton, Loveland, Madison Place, Mason, Middletown, Montgomery, Northside, Norwood, Rhydychen, Price Hill, Rossmoyne, Utopia; (283 troshaen ar 513 wedi'i ganslo) (NODER: Symudodd Franklin o 513 i 937, gan gynnwys dinasoedd Franklin a Springboro, Pentref Carlisle, a threfgorddau Clearcreek a Franklin ar 2001-05-01) | |
| 614 | Canal Winchester, Columbus, Gahanna, Grove City, Harrisburg, Hilliard, Jersey, Lockbourne, New Albany, Plain City, Reynoldsburg, West Jefferson, Westerville, Worthington; (380 troshaen ar 614 wedi'i ganslo) | |
| 740 | Ashville, Athen, Bainbridge, Baltimore, Carroll, Chillicothe, Condit, Delaware, Jelloway, Johnstown, Knockemstiff, Lancaster, Llundain, Marietta, Marion, Mt. Sterling, Mt. Vernon, Nevada, Newark, Pleasant View, Portsmouth, Rathbone, St. Clairsville, Steubenville, Sunbury, Uhrichsville, Washington Court House, Mr. Zanesville | |
| 937 | Bardwell, Beavercreek, Bellefontaine, Blanchester, Camden, Centerville, Dayton, Fairborn, Greenfield, Higginsport, Hillsboro, Miamisburg, Springfield, Wilmington, Xenia; (Bydd Franklin yn symud o 513 i 937 ar 2001-05-01; gweler y nodyn o dan 513 uchod) | |
| OK | 405 | Anadarko, Bethany, Bridgeport, Chickasha, Colony, Edmond, Guthrie, Hennessey, Holdenville, Midwest City, Moore, Norman, Oklahoma City, Cwm Pauls, Shawnee, Stillwater, Weleetka, Iâl |
| 580 | Ada, Altus, Apache, Ardmore, Clinton, Duncan, Durant, Enid, Guymon, Hugo, Idabel, Konawa, Lawton, Dinas Ponca, Rush Springs, Weatherford | |
| 918 | Bartlesville, Broken Arrow, McAlester, Muskogee, Tahlequah, Tulsa | |
| OR | 503 971 | troshaen 503/971: Beaverton, Dallas, Gresham, Hillsboro, Llyn Oswego, Milwaukie, Neskowin, Oregon City, Portland, Salem, Tigard, Tualatin 503 yn unig: Astoria, Bay City, Beaver, Cannon Beach, Cloverdale, Garibaldi, Jewell, Knappa, Nehalem, Pacific City, Rockaway, Seaside, Tillamook, Warrenton |
| 541 | Albany, Ashland, Tro, Bae Coos, Corvallis, Llyn Crater, Eugene, Florence, Grants Pass, Hermiston, Klamath Falls, La Grande, Libanus, Lincoln City, Medford, Casnewydd, Ontario, Pendleton, Roseburg, Springfield, The Dalles, Wolf Creek | |
| – P – | ||
| PA | 215 267 | Ambler, Bryste, Churchville, Doylestown, Hatboro, Kulpsville, Langhorne, New Hope, Philadelphia, Quakertown, Warrington, Willow Grove; (troshaen 215/267, 445 o godau troshaen ychwanegol wedi'u hatal ) |
| 412 878 | Parc Bethel, Carnegie, Coraopolis, Monroeville, Pittsburgh, Wilkinsburg; (878 troshaenau 412 a 724) | |
| 570 | Bloomsburg, Hazleton, Lewisburg, Lock Haven, Milton, Muncy, Pittston, Pottsville, scranton, Selinsburg, Stroudburg, Sunbury, Wilkes-Barre, Williamsport | |
| 610 484 | Allentown, Ardmore, Bala Cynwyd, Bethlehem, Bryn Mawr, Chester, Collegeville, Conshohocken, Easton, Mr. Brenin Prwsia, Norristown, Paoli, Reading, Wayne, Gorllewin Caer; (troshaen 610/484, 835 o godau troshaen ychwanegol wedi'u hatal ) | |
| 717 | Camp Hill, Carlisle, Chambersburg, Gettysburg, Harrisburg, Lancaster, Libanus, Lewistown, Mechanicsburg, Shippensburg, York | |
| 724 878 | Aliquippa, Butler, Connellsville, Greenville, Indiana, Kittanning, Latrobe, Castell Newydd, Rochester, Sharon, Uniontown, Washington; amgylchynu ond nid yw'n cynnwys Pittsburgh ; (878 troshaenau 412 a 724) | |
| 814 | Altoona, Bedford, Bellefonte, Clarion, Clearfield, Erie, Huntingdon, Johnstown, Meadville, Oil City, Punxsutawney, Mr. Coleg y Wladwriaeth, Warren | |
| 878 | (878 troshaenau 412 a 724) | |
| PR | 787 939 | Puerto Rico (tiriogaeth gyfan); (939 yn troshaenu 787) |
| – R – | ||
| RI | 401 | (cyflwr cyfan) |
| – S – | ||
| RI | 401 | (cyflwr cyfan) |
| SC | 803 | Aiken, Atkins, Batesburg, Branchville, Camden, Caer, Columbia, Edgefield, Estill, Hampton, Holly Hill, Kershaw, Lancaster, Lexington, Lynchburg, Manning, Newberry, North Augusta, Orangeburg, Rock Hill, Sumter, Whitmire, Efrog, canolog ardal |
| 843 | BeaUFOrt, Bethune, Charleston, Chesterfield, Conway, Darlington, Florence, Georgetown, Harleysville, Hartsville, Hilton Head Island, Lodge, Mt. Pleasant, Myrtle Beach, Olanta, Ridgeland, St. George, Summerville, Turbeville, Walterboro, ardaloedd arfordirol | |
| 864 | Anderson, Clemson, Gaffney, Greenville, Greenwood, Greer, Laurens, Saluda, Seneca, Spartanburg, Union, ardal ogledd-orllewinol | |
| SD | 605 | (cyflwr cyfan) |
| TN | 423 | Athen, Blountville, Bluff City, Bryste, Bulls Gap, Charleston, Chattanooga, Cleveland, Clinchport, Coker Creek, Cumberland Gap, Dayton, Deer Lodge, Englewood, Etowah, Fork Ridge, Greeneville, Huntsville, Jellico, Johnson City, Kingsport, La Follette, Madisonville, Midway, Morristown, New Tazewell, Casnewydd, Niota, Oakdale, Oneida, Petros, Pikeville, Riceville, Robbins, Rogersville, Sneedville, Soddy Daisy, Sunbright, Surgoinsville, Sweetwater, Tellico Plains, Vonore, Wartburg, West Sweetwater |
| 615 | Carthage, Dickson, Gallatin, Franklin, Lafayette, Libanus, Murfreesboro, Nashville, Portland, Red Boiling Springs, Smithville, Springfield | |
| 731 | Bolivar, Brownsville, Dyersburg, Henning, Humboldt, Jackson, Lexington, McKenzie, Martin, Milan, Paris, Ripley, Savannah, Stanton, Union City, Whiteville; Siroedd: Benton, Carroll, Caer, Crockett, Decatur, Dyer, Gibson, Hardeman , Hardin, Haywood, Henderson, Henry, Lake, Lauderdale, McNairy, Madison, Obion, Weakley | |
| 865 | Chwarae Pêl, Gorsaf Bean, Bent Creek, Chestnut Hill, Claxton, Clinton, Concord, Dandridge, Gatlinburg, Greenback, Halls Cross Roads, Harriman, Jefferson City, Kingston, Knoxville, Lake City, Lenoir City, Loudon, Maryville, Mascot, Maynardville , Norris, Oak Ridge, Oliver Springs, Powell, Rockwood, Rutledge, Sevierville, Sharps Chapel, Solway, Tate Springs, Washburn, Pine Gwyn, Mynyddoedd Mwg Mawr NP | |
| 901 | Covington, Memphis, Somerville, West Whiteville; Siroedd: Shelby, Tipton, a Fayette | |
| 931 | Celina, Clarksville, Columbia, Cookeville, Crossville, Land Between the Lakes, McEwen, McMinnville, Manceinion, Shelbyville, Sparta | |
| TX | 210 | Alamo Heights, Elmendorf, Lackland AFB, Leon Springs, San Antonio, Shavano Park, Universal City, Wetmore |
| 214 972 469 | Addison, Allen, Carrollton, Celina, Dallas, Duncanville, Ennis, Cangen y Ffermwyr, Frisco, Garland, Grand Prairie, Irving, yr Eidal, Kaufman, Lavon, Lewisville, McKinney, Mesquite, Midlothian, Plano, Renner, Richardson, Seagoville, Terrell, Waxahatchie. (Mae ffin 214/972 wedi'i dileu'n swyddogol. Mae canol Dallas a rhan o Grand Prairie yn 214 yn bennaf; mae pob ardal arall yn bennaf yn 972. Fodd bynnag, mae rhai rhagddodiaid 214 newydd wedi'u neilltuo yn ôl yn y maestrefi. 469 troshaenau 214 a 972.) | |
| 254 | Breckenridge, Cameron, Cross Plains, Florence, Glen Rose, Hamilton, Hillsboro, Killeen, Marlin, Mexia, Sidney, Stephenville, Temple, Waco | |
| 281 | (gweler 713/281/832) | |
| 325 | Abilene, Albany, Baird, Bend, Llyn Mawr, Cwm Mawr, Brady, Brownwood, Coleman, Colorado City, Comanche, Goldthwaite, Junction, Llano, Mason, Ozona, Putnam, San Angelo, San Saba, Snyder, Stamford, Sterling City, Melys | |
| 361 | Alice, Beeville, Charco, Corpus Christi, Cuero, Edna, Flatonia, Goliad, Hebbronville, Kingsville, Palacios, Port Aransas, Victoria, Waelder, Yoakum, Yorktown | |
| 409 | Anahuac, Beaumont, Bronson, Tsieina, Colmesneil, Double Bayou, Galveston, Hankamer, Hemphill, Hitchcock, Jasper, Kountze, La Marque, Lumberton, Milam, Nederland, Nome, Pineland, Port Arthur, Port Neches, Santa Fe, Sour Lake, Texas City, Wallisville, Warren, Westbury, Wildwood, Woodville | |
| 430 | (gweler 903/430) | |
| 432 | Ackerly, Alpine, Andrews, Big Bend NP, Big Spring, Comstock, East Hobbs, Ft. Davis, Ft. Stockton, Garden City, Iran, Kermit, Langtry, Marfa, Canolbarth Lloegr, Monahans, Odessa, Orla, Pecos, Presidio, Rankin , Sanderson, Seminole, Sheffield, Terlingua, Toyah, Valentine, Van Horn | |
| 469 | (gweler 214/972/469 uchod) | |
| 512 | Austin, Bastrop, Georgetown, Jollyville, Lampasas, Lockhart, Manchaca, Pflugerville, Rockdale, Round Rock, San Marcos, Smithville, Webberville; (Mae’r cynllun troshaen crynodedig o 737 wedi’i ohirio am gyfnod amhenodol gan y PUCT.) | |
| 682 | (gweler 817/682) | |
| 713 281 832 | Yn swyddogol, mae'r holl ddinasoedd a ddangosir yma yn y troshaen gyfun o 281/713/832. Fodd bynnag, yn ymarferol, mae'r ardal ganolog yn bennaf yn 713, gyda niferoedd newydd yn 832, a'r ardal allanol yn bennaf yn 281, gyda niferoedd newydd yn 832. 281 yn bennaf: Aldine, Alief, Alvin, Bammel, Barker, Baytown, Channelview, Cleveland, (rhan o) Houston, Humble, Katy, Kemah, League City, Richmond, Rosenberg, Spring, Sugar Land, Tomball yn bennaf 713: Bellaire, (y rhan fwyaf o) Houston, Pasadena, Southside Place, West University Place | |
| 806 | Amarillo, Borger, Bovina, Dalhart, Denver City, Guthrie, Henffordd, Jayton, Lamesa, Lubbock, Memphis, Paducah, Pampa, Plainview, Post | |
| 817 682 | Arlington, Cleburne, Euless, Fort Worth, Granbury, Grapevine, North Richland Hills, Rhome, Roanoke, Saginaw, Weatherford; (682 troshaenau 817) | |
| 830 | Boerne, Carrizo Springs, Del Rio, Eagle Pass, Floresville, Fredericksburg, Gonzales, Kenedy, Kerrville, Luling, Marble Falls, New Braunfels, Seguin, Gwlad yr Haf; amgylchoedd, ond nid yw'n cynnwys, San Antonio | |
| 832 | (gweler 713/281/832) | |
| 903 (430) | Athen, Carthage, Centerville, Corsicana, Denison, Greenville, Henderson, Jacksonville, Kilgore, Longview, Marshall, Mt. Pleasant, Palestina, Paris, Rusk, Sherman, Texarkana, Tyler; (bydd 430 yn troshaenu 903) | |
| 915 | El Paso, Fabens, Mynyddoedd Guadalupe NP, Milehigh, Sierra Blanca | |
| 936 | Alto, Anderson, Austonio, Batson, Broaddus, Center, Caer, Coldspring, Conroe, Corrigan, Crockett, Cushing, Cut and Shoot, Dayton, Devers, Etoile, Evergreen, Garrison, Goodrich, Grapeland, Hardin, Hilltop Lakes, Hull, Huntsville , Iola, Joaquin, Liberty, Livingston, Lufkin, Madisonville, Montgomery, Nacogdoches, Navasota, Normangee, North Zulch, Onalaska, Plantersville, Prairie View, Raywood, Reklaw, Ruby, San Augustine, Saratoga, Segno, Shepherd, Shiro, Tenaha, Timpson, Waller, Washington, Willis, Zavalla | |
| 940 | Aspermont, Benjamin, Childress, Crowell, Decatur, Denton, Gainesville, Graham, Haskell, Mineral Wells, Wichita Falls | |
| 956 | Alamo, Brownsville, Donna, Edcouch, Edinburg, El Sauz, Elsa, Encinal, Falcon, Falcon Heights, Harlingen, La Feria, La Grulla, La Joya, Laredo, Lopeno, Los Fresnos, McAllen, Mercedes, Mission, Pharr, Port Isael , Raymondville, Rio Grande City, Rio Hondo, Roma, San Benito, San Isidro, San Juan, San Ygnacio, Ynys De Padre, Sullivan City, Weslaco, Zapata | |
| 972 | (gweler 214/972/469 uchod) | |
| 979 | Angleton, Bay City, Beasley, Bellville, Borden, Brazoria, Brenham, Bryan / Station College, Caldwell, Calvert, Clute, Damon, Deanville, Dime Box, Eagle Lake, East Bernard, El Campo, Franklin, Freeport, Garwood, Giddings, Hearne, Hempstead, High Hill, Kurten, La Grange, Lake Jackson, Lexington, Louise, Markham, Matagorda, Moravia, Needville, New Ulm, Northrup, Plum, Schulenburg, Sealy, Snook, Tunis, Wallis, Weimar, West Columbia, Wharton | |
| UT | 435 | Brigham City, Cedar City, Heber City, Helper, Logan, Moab, Nephi, Park City, Price, St. George, Tooele, Vernal. Mae 435 yn amgylchynu ardaloedd trefol 801/385 (Salt Lake City, Ogden, Provo) ar bob ochr, ac yn gorchuddio tua 90% o arwynebedd tir Utah. |
| 801 | Alta, Holladay, Kearns, Magna, Midvale, Murray, Salt Lake City | |
| (385) | rhan ogleddol: Bountiful, Clearfield, Farmington, Kaysville, Morgan, Ogden ; rhan ddeheuol: American Fork, Goshen, Lehi, Orem, Payson, Pleasant Grove, Provo, Spanish Fork, Spanish Fork Canyon, Springville; 385 o gromfachau, ond nid yw’n cynnwys, Salt Lake City; (rhaniad 801/385 wedi’i ohirio tan 2005, a gellir ei ohirio ymhellach.) | |
| VI | 340 | Ynysoedd Virgin yr Unol Daleithiau (tiriogaeth gyfan) |
| VA | 276 | Abingdon, Austinville, Axton, Bassett, Bland, Bluefield, Boissevain, Bryste, Collinsville, Galax, Hillsville, Laurel Fork, Marion, Martinsville, Max Meadows, Meadows of Dan, Ridgeway, Rocky Gap, Stuart, Sylvatus, Woolwine, Wytheville |
| 434 | Alberta, Allwood, Alta Vista, Amherst, Appomattox, Arvonia, Bachelors Hall, Barnesville, Beechwood, Ynys Fawr, Blackridge, Blackstone, Boydton, Brodnax, Brookneal, Buckingham, Burkeville, Capron, Charlotte Court House, Charlottesville, Chase City, Chatham, Clarksville, Clover, Concord, Crewe, Crozet, Danville, Dillwyn, Cangen Drakes, Emporia, Eppes Fork, Farmville, Fork Union, Gladstone, Gladys, Gretna, Halifax, Hampden-Sydney, Hurt, Jarratt, Kenbridge, Keysville, La Crosse, Lawrenceville, Lovingston, Lynchburg, Oronoco, Palmyra, Pamplin, Piney River, Prospect, Renan, Rustburg, Sandy Level, Schuyler, Scottsville, De Boston, De Brunswick, Stanardsville, Stony Creek, Sweet Briar, Turbeville, Victoria, Virgilina, Volens, Whitmell | |
| 540 | Brokenburg, Calverton, Catoctin, Craigsville, Criglersville, Culpeper, Dahlgren, Elkton, Fredericksburg, Front Royal, Gordonsville, Greenwood, Grottoes, Harrisonburg, Hot Springs, King George, Louisa, McClung, Madison, Middleburg, Mineral, Mount Gilead, Mountain Grove , New Hope, Raphine, Shenandoah, Spotsylvania, Stafford, Stanley, Staunton, The Plains, Warrenton, Waynesboro, Weyers Cave, Williamsville, Winchester | |
| (tba) | Bedford, Blacksburg, Brownsburg, Buchanan, Buena Vista, Burnt Chimney, Christiansburg, Clifton Forge, Covington, Dulyn, Ferrum, Floyd, Glasgow, Lexington, Locust Grove, Narrows, Pulaski, Radford, Roanoke, Rocky Mount, Salem, Stone Mountain, Union Hall, Willis; (rhaniad yn y dyfodol, dyddiadau i'w cadarnhau; arhosodd y dinasoedd hyn yn 540 yn rhaniad 540/276) | |
| 703 571 | Alexandria, Arlington , Centreville, Glannau Engle, Fairfax, Falls Church, Herndon, Leesburg, Lorton, McLean, Manassas, Occoquan, Fienna; (571 troshaenau 703) | |
| 757 | Chesapeake, Chincoteague, Courtland, Great Bridge, Hampton, Newyddion Casnewydd, Norfolk , Portsmouth , Suffolk, Virginia Beach , Williamsburg/Jamestown | |
| 804 | Llys Amelia, Ashland, Beaverdam, Bethia, Bowling Green, Callao, Cartersville, Charles City, Caer, Colonial Beach, Cumberland, Dawn, Deltaville, Dinwiddie, Disputanta, Doswell, Enon, Farnham, Fife, Caerloyw, Goochland, Gum Tree, Hague, Hanover, Hayes, Heathsville, Hopewell, Irvington, Kilmarnock, King and Queen, King William, Lively, McKenney, Manakin, Mathews, Mechanicsville, Midlothian, Montpelier, Montross, Old Church, Petersburg , Port Royal, Powhatan, Providence Forge, Reedville, Richmond , Rockville, Sandston, Tappahannock, Varina, Warsaw, Waverly, West Point | |
| VT | 802 | (cyflwr cyfan) |
| WA | 206 | Bainbridge Isl., Mercer Isl., Newhalem, Maes Awyr Sea-Tac, Seattle , Vashon Isl.; (564 troshaen o 206, 253, 360, a 425 wedi'u hatal) |
| 253 | Auburn, Ffordd Ffederal, Harbwr Gig, Caint, Puyallup, Tacoma ; (564 troshaen o 206, 253, 360, a 425 wedi'u hatal) | |
| 360 | Aberdeen, Bellingham , Bremerton, Camas, Friday Harbour, Lacey, Langley, Longview, Marysville, Mount Vernon, Olympia , Perllannau, Port Angeles, Port Townsend, Poulsbo, Shelton, Silverdale, Vancouver , NP Olympaidd, Mt. Rainier; (564 troshaen o 206, 253, 360, a 425 wedi'u hatal) | |
| 425 | Y Parciau , Bothell, Everett , Issaquah, Kirkland, Lynnwood, Redmond, Renton, Silver Lake, Snoqualmie Pass; (564 troshaen o 206, 253, 360, a 425 wedi'u hatal) | |
| 509 | Easton, Ellensburg, Kennewick, Pasco, Pullman, Richland, Spokane , Stevenson, Walla Walla, Wenatchee, Winthrop, Yakima | |
| (564) | (564 troshaen o 206, 253, 360, a 425 wedi'u hatal) (cyhoeddwyd 564 yn wreiddiol fel troshaen ar 360 yn unig.) | |
| WI | 262 | Brookfield, Burlington, Delavan, Elm Grove, Hartland, Kenosha, Llyn Genefa, Menomonee Falls, Berlin Newydd, Racine, Thiensville, Waukesha, West Bend, Whitewater |
| 414 | Ceirw Brown, Fox Point, Franklin, Glendale, Greenfield, Milwaukee, Muskego, Oak Creek, Shorewood, Wauwatosa, West Allis, Whitefish Bay | |
| 608 | Alma, Beloit, Janesville, La Crosse, Madison, Middleton, Monroe, Montello, Platteville, Portage, Canolfan Richland, Tomah, Westfield | |
| 715 | Black River Falls, Clintonville, Coloma, Eau Claire, Elk Mound, Marinette, Rhinelander, Schofield, Stevens Point, Superior, Wausau, Wisconsin Rapids | |
| 920 | Appleton, Berlin, Cedar Grove, Columbus, De Pere, Fond du Lac, Fort Atkinson, Green Bay, Jefferson, Manitowoc, Neenah, New London, Oconto, Oneida, Oshkosh, Princeton, Sheboygan, Sturgeon Bay, Watertown | |
| WV | 304 | (cyflwr cyfan) |
| WY | 307 |
|
Taleithiau'r UD a phrifddinasoedd
| Unol Daleithiau | ||
| Nodwch enw (talfyriad) | Cyfalaf | brif ddinas |
| Alabama (AL) Alabama | Trefaldwyn Trefaldwyn | |
| Alaska (AK) Alaska | Juneau Juneau | |
| Arizona (AZ) Arizona | Phoenix Dinas Phoenix | |
| Arkansas (AR) Arkansas | Little Rock craig fach | |
| California (CA) California | Sacramento Sacramento | San Francisco San Francisco, Los Angeles Los Angeles, San Diego San Diego, Long Beach |
| Colorado (CO) Colorado | Denver Denver | |
| Connecticut (CT) Connecticut | Hartford Hartford | |
| Delaware(yr Almaen) Delaware | Dover Dover | |
| Florida (FL) Florida | Tallahasse Tallahassee | Miami Miami |
| Georgia (GA) Georgia | Atlanta Atlanta | |
| Hawaii (HI) Hawaii | Honolulu Honolulu | |
| Idaho (ID) Idaho | Boise Boyce | |
| Illinois (IL) Illinois | ffynnon Deharuta | Chicago Chicago |
| Indiana (IN) Indiana | Indianapolis indianapolis | |
| Iowa (AI) Iowa | Des Moines Dimon | |
| Kansas (KS) Kansas | Topeka Testuna | |
| Kentucky (KY) Kentucky | Frankfort Frankfurt | |
| Louisiana (YR) Louisiana | Baton Rouge Baton Rouge | New Orleans New Orleans |
| Maine (ME) Maine | Augusta Augusta | |
| Maryland (M.D.) Maryland | Annapolis Annapoli | |
| Massachusetts (DRWG) Massachusetts | Boston Boston | Portsmouth Portsmouth |
| Michigan (MI) Michigan | Lansing Lansing | Detroit |
| Minnesota (MN) Minnesota | Sant Paul Sao paulo | |
| Mississippi (MS) Mississippi | Jackson Jackson | |
| Missouri (MO) Missouri | Dinas Jefferson Dinas Jefferson | |
| Montana (MT) Montana | Helena Helena | |
| Nebraska (GDd) Nebraska | Lincoln Dinas Lincoln | |
| Nevada (NV) Nevada | Carson City dinas pam | Reno Renault |
| New Hampshire (NH) Hampshire Newydd | Concord Concord | |
| New Jersey (NJ) New Jersey, New Jersey | Trenton Triton | |
| New Mexico (NM) New Mexico | Santa Fe Santa Fe | |
| Efrog Newydd (NY) Talaith Efrog Newydd | Albany Albani | Buffalo Buffalo, Rochester Rochester |
| North Carolina (CC) Gogledd Carolina | Raleigh loli | |
| Gogledd Dakota (N.D.) Gogledd Dakota | Bismarck Bismarck | |
| Ohio (o) Ohio | Columbus Columbus | Cincinnati Cincinnati, Cleveland Cleveland |
| Oklahoma (OK) Oklahoma | Oklahoma City Dinas Oklahoma | |
| Oregon (OR) Oregon | Salem Salem | Portland Portland |
| Pennsylvania (AP) Pennsylvania | Harrisburg Harrisburg | Philadelphia Philadelphia, Pitsburgh Pittsburgh, Baltimore Baltimore |
| Rhode Island (RI) Rhode Island | Providence Provideton | |
| De Carolina (SC) De Carolina | Columbia Columbia | |
| De Dakota (SD) De Dakota | Pierre Peel | |
| Tennessee (TN) Tennessee | Nashville Nasuville | |
| Texas (TX) Texas | Austin Austin | Dallas Dallas, Houston Houston, San Antonio San Antonio, El Paso |
| Utah (UT) Utah | Salt Lake City Dinas Salt Lake | |
| Vermont (VT) Vermont | Montpelier Montpellier | |
| Virginia (EWCH) Virginia | Richmond Richmond | |
| Washington(Talaith Washington) Huacheng Tazzhou | Olympia Olympia | Seattle Seattle |
| Gorllewin Virginia (WV) Gorllewin Virginia | Charleston charleston | |
| Wisconsin (SyM) Wisconsin | Madison Madison | |
| Wyoming (WY) Wyoming | Cheyenne Shane | |
| Parthau a Thiriogaethau Arbennig | ||
| Nodwch enw (talfyriad) | Cyfalaf | |
| District of Columbia (DC) Ardal Columbia | Washington Washington | |
| Guam (GM) Guam | Agana Agana | |
| Puerto Rico (PR) Puerto Rico | San Juan san juan | |
| Ynys Forwyn (VI) Ynys Forwyn yr Unol Daleithiau | Charlotte amalie Charlotte Amalie | |
Darllen estynedig:
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