北美地区电话号码计划是世界区域的电话编号计划，该地区包括主要位于北美洲的20个国家的25个不同区域，包括加勒比地区。 NANP最初是在20世纪40年代由AT&T公司为贝尔系统和北美的独立电话运营商设计的，目的是统一过去几十年建立的各种本地编号计划。
以下国家及地区统一使用北美电话区号计划，即North American Numbering Plan (NANP)，包含美国、加拿大及加勒比地区共20个国家，25个地区。
在北美，电话区号不能为0或1开头。由于北美的国际电话区号为1，而且在北美内，1字头表示长途电话，因此北美的电话区号不以1开头。电话区号也不能为 N11, N9X开头(N = 2–9, X = 0–9)。N11号码保留作短码 (short code)，N9X 保留作日后扩充号码之用。
关于北美洲区号更详细的请参考：北美电话区号列表
201: 美国 新泽西州﹝Hackensack, Jersey City, Hoboken 以及新泽西州东北部，与551重叠﹞
202: 华盛顿哥伦比亚特区
203: 康乃狄克州﹝Bridgeport, New Haven, Waterbury以及康乃狄克州西南部，与475重叠﹞
204: 加拿大 缅尼托巴省
205: 阿拉巴马州﹝过去曾包括全州，如今仍涵盖其最大城市Birmingham、Tuscaloosa以及阿拉巴马州的中部和西部﹞
206: 华盛顿州 (All of Bainbridge, Mercer, and Vashon Islands, and the cities of Burien, Des Moines, Lake Forest Park, Normandy Park、西雅图、Sea-Tac, Shoreline, and Tukwila and some small unincorporated areas adjacent to these cities, also, parts of the cities of Woodway and Edmonds)
207: 缅因州
208: 爱德荷州
209: 加利福尼亚州﹝Stockton, Merced, Modesto, San Andreas 以及加利福尼亚州中部﹞
210: 德克萨斯州﹝圣安东尼奥地区﹞
212: 纽约州﹝纽约市：仅限于曼哈顿地区，与646和917重叠﹞
213: 加利福尼亚州﹝仅限于洛杉矶市中心部分﹞
214: 德克萨斯州﹝达拉斯地区，与469和972重叠﹞
215: 宾夕法尼亚州﹝费城地区，与267和445重叠﹞
216: 俄亥俄州 (Cleveland area)
217: 伊利诺州﹝Champaign, Decatur, Urbana, Springfield 以及伊利诺州中部﹞
218: 明尼苏达州 (Duluth, Thief River Falls, Brainerd, International Falls 以及明尼苏达州北部﹞
219: 印第安纳州 (Gary, Hammond Valparaiso, 密歇根市, Goodland, Fowler 以及印第安纳州西北部地区，包括部分的Chicagoland﹞
224: 伊利诺州﹝Waukegan, Des Plaines, 芝加哥西北市郊以及伊利诺州东北部，与847重叠﹞
225: 路易斯安那州﹝Baton Rouge, New Roads, White Castle 以及路易斯安那州东部中间地区﹞
226: 加拿大 安大略省﹝London, Windsor 以及安大略省西南部，与519重叠﹞ (implementing late 2004)
228: 密西西比州 (Gulfport, Pascagoula, Biloxi, Bay St Louis and southern Mississippi gulf coast)
229: 佐治亚州﹝Albany, Valdosta, Bainbridge, Americus, Fitzgerald 以及佐治亚州西南部﹞
231: 密歇根州﹝Traverse City, Ludington, Muskegon, Petoskey 以及密歇根州西北部﹞
234: 俄亥俄州﹝Youngstown, Warren, Akron, Canton 以及俄亥俄州东北部，与330重叠﹞
239: 佛罗里达州﹝Cape Coral, Fort Myers, Naples, Everglades 以及佛罗里达州西南部﹞
240: 马里兰州﹝Hagerstown, Rockville, Cumberland 以及马里兰州西部，与301重叠﹞
248: 密歇根州﹝Troy, Oakland County, Pontiac, Southfield, Rochester Hills 以及底特律西北市郊，与947重叠﹞
250: 加拿大 英属哥伦比亚省﹝温哥华市地区除外﹞
251: 阿拉巴马州﹝Mobile, Jackson 以及阿拉巴马州西南部﹞
252: 北卡罗莱那州﹝Greenville, Kitty Hawk, Rocky Mount 以及北卡罗莱那州东北部﹞
253: 华盛顿州﹝Tacoma, Auburn, Puyallup, Enumclaw, Spanaway 以及西雅图南部市郊﹞
254: 德克萨斯州 (Waco, Killeen, Belton, Stephenville and north central 德克萨斯州)
256: 阿拉巴马州 (Florence, Huntsville, Gadsden, Anniston and northern and eastern 阿拉巴马州)
260: 印第安纳州 (Fort Wayne, Decatur, Angola, Wabash and northeastern 印第安纳州)
262: 威斯康辛州 (Menomonee Falls, Waukesha, Racine, Kenosha and southeastern 威斯康辛州 excluding Milwaukee area but including parts of Chicagoland)
267: 宾夕法尼亚州 (Philadelphia area, overlays with 215 and 445)
269: 密歇根州 (Battle Creek, Benton Harbor, Allegan, Hastings, Kalamazoo, St Joseph, and southwestern 密歇根州)
270: 肯塔基州 (Paducah, Bowling Green, Hopkinsville, Owensboro, Henderson, Elizabethtown, Radcliff and western Kentucky)
278: 维吉尼亚州 (Abingdon, Wytheville, Martinsville, Bluefield and southwestern 维吉尼亚州)
281: 德克萨斯州 (Houston area, overlays with 713 and 832)
289: 加拿大 安大略省 (Hamilton, Toronto suburbs and central southeastern 安大略省, overlays with 905)
301: 马里兰州 (Hagerstown, Rockville, Cumberland and western 马里兰州, overlays with 240)
302: 德拉瓦州
303: 科罗拉多州 (Boulder, Longmont, Aurora, Denver and central 科罗拉多州, overlays with 720)
304: 西维吉尼亚州
305: 佛罗里达州 (Miami-Dade and Monroe Counties: Miami, Homestead, Coral Gables, Key West and 佛罗里达州 Keys, overlays with 786)
306: 加拿大 沙士吉万省
307: 怀俄明州
308: 内布拉斯加州 (North Platte, Scottsbluff, McCook, Grand Island and western 内布拉斯加州)
309: 伊利诺州 (Peoria, Moline, Rock Island, Galesburg and central western 伊利诺州)
310: 加利福尼亚州 (Malibu, Torrance, Beverly Hills, Santa Monica, Catalina and west Los Angeles suburbs)
312: 伊利诺州 (芝加哥市中心)
313: 密歇根州 (Dearborn, Detroit and inner Detroit suburbs)
314: 密苏里州 (St Louis, Florissant, Crestwood, Affton, Granite City and surrounding suburbs)
315: 纽约州 (Syracuse, Utica, Watertown, and north central New York)
316: 堪萨斯州 ( Wichita, Augusta, El Dorado, Mulvane and the Wichita surrounding area)
317: 印第安纳州 (Indianapolis, Greenwood, Mooresville, Beech Grove and central 印第安纳州)
318: 路易斯安那州 (Shreveport, Monroe, Alexandria, Fisher, Tallulah and northern 路易斯安那州)
319: 爱荷华州 (Burlington, 爱荷华州 City, Cedar Rapids, Waterloo and east central and southeastern 爱荷华州)
320: 明尼苏达州 (St Cloud, Morris, Hutchinson, Sandstone, Appleton and central 明尼苏达州)
321: 佛罗里达州 (Orlando, Cocoa Beach, St Cloud and central eastern 佛罗里达州, partial overlay with 407)
Also: Exclusive code for Space Coast (Cape Canaveral, Melbourne, Titusville, Cocoa Beach)
323: 加利福尼亚州 (Florence and Los Angeles excluding downtown Los Angeles)
325: 德克萨斯州 (Abilene, Sweetwater, Snyder, San Angelo)
330: 俄亥俄州 (Youngstown, Warren, Akron, Canton and northeastern 俄亥俄州, overlays with 234)
334: 阿拉巴马州 ( Montgomery, Auburn, Dothan, Selma and southeastern 阿拉巴马州)
336: 北卡罗莱那州 (Winston-Salem, Greensboro, North Wilkesboro and northwest 北卡罗莱那州)
337: 路易斯安那州 (Leesville, Lake Charles, Lafayette, De Ridder and southwestern 路易斯安那州)
339: 麻萨诸塞州 (Saugus, Norwood and east central 麻萨诸塞州, overlays with 781)
347: 纽约州 (New York City except Manhattan; overlays with 718 and 917)
351: 麻萨诸塞州 (Fitchburg, Peabody and northeastern 麻萨诸塞州, overlays with 978)
352: 佛罗里达州 (Gainesville, Ocala, Inverness, Dunnellon and central 佛罗里达州)
360: 华盛顿州 (Bellingham, Vancouver, Aberdeen, Olympia and western Washington except the greater Seattle area, which uses the 206, 253, and 425 area codes)
361: 德克萨斯州 (Corpus Christi, Victoria, George West and southeastern 德克萨斯州)
386: 佛罗里达州 (Daytona Beach, Lake City, Live Oak, Crescent City and northern and eastern 佛罗里达州)
401: 罗德岛州
402: 内布拉斯加州 (Valentine, Lincoln, Norfolk, Omaha, Superior, Crofton and eastern 内布拉斯加州)
403: 加拿大 亚伯达省 (Calgary, Banff, Red Deer, Medicine Hat, Lethbridge and southern Alberta)
404: 佐治亚州 (Atlanta area inside Interstate 285 Perimeter, overlays with 470 and 678)
405: 奥克拉荷马州 (Oklahoma City, Edmond, Norman, Shawnee, Chickasha and central Oklahoma)
406: 蒙大拿州
407: 佛罗里达州 (Orlando, Cocoa Beach, St. Cloud and central eastern 佛罗里达州, partial overlay with 321)
408: 加利福尼亚州 (Los Gatos, Milpitas, Sunnyvale, Cupertino and San Jose area)
409: 德克萨斯州 (Beaumont, Galveston, Port Arthur, Jasper and southeastern 德克萨斯州)
410: 马里兰州 (Annapolis, Baltimore, Salisbury and eastern 马里兰州, overlays with 443)
412: 宾夕法尼亚州 (Pittsburgh, 宾夕法尼亚州 area, McKeesport, Braddock, Duquesne, overlays with 878)
413: 麻萨诸塞州 (Pittsfield, Springfield, Holyoke, Greenfield and western 麻萨诸塞州)
414: 威斯康辛州 (Milwaukee, Greenfield, Oak Creek and Milwaukee suburbs)
415: 加利福尼亚州 (Sausalito, San Rafael, Novato, San Quentin, San Francisco and bay area)
416: 加拿大 安大略省 (Toronto; overlays with 647)
417: 密苏里州 (Joplin, Springfield, West Plains, Lamar, Lebanon and southwestern 密苏里州)
418: 加拿大 魁北克省 (Quebec City, Saguenay, Gaspé Peninsula, C?te-Nord, Chibougamau, St-Georges)
419: 俄亥俄州 (Toledo, Mansfield, Lima, Bryan, Sandusky, Bowling Green and northwestern 俄亥俄州, overlays with 567)
423: 田纳西州 (Bristol, Sweetwater, Chattanooga and southeastern and north eastern 田纳西州)
425: 华盛顿州 (north and east Seattle suburbs including Everett, Bellevue, Redmond, Renton and Issaquah)
430: 德克萨斯州 (northeastern 德克萨斯州, overlays with area code 903)
432: 德克萨斯州 (western 德克萨斯州: Big Spring, Midland, Odessa)
434: 维吉尼亚州 (Lynchburg, Danville, South Hill, 维吉尼亚州, Charlottesville; south central and Southside 维吉尼亚州)
435: 犹他州 (Logan, St. George, Moab and all of 犹他州 excluding Salt Lake City, Ogden, Provo and central 犹他州)
440: 俄亥俄州 (Elyria, Lorain, Oberlin, Wellington and north central 俄亥俄州)
443: 马里兰州 (Annapolis, Baltimore, Salisbury and eastern 马里兰州, overlays with 410)
445: 宾夕法尼亚州 (Philadelphia area, overlays with 215 and 267)
450: 加拿大 Quebec (central southern Quebec excluding Montreal)
469: 德克萨斯州 (Dallas area, overlays with 214 and 972)
470: 佐治亚州 (Atlanta, Gainesville and north central 佐治亚州, overlays with 404 and 678 and 770)
475: 康乃狄克州 (Bridgeport, New Haven, Waterbury and southwestern 康乃狄克州, overlays with 203)
478: 佐治亚州 (Macon, Warner Robins, Swainsboro, Wadley, Milledgeville, Perry and central 佐治亚州)
479: Arkansas (Fort Smith, Fayetteville and northwestern Arkansas)
480: Arizona (Chandler, Gilbert, Tempe, Scottsdale, eastern Phoenix area and eastern Phoenix suburbs only)
484: 宾夕法尼亚州 (Reading, Allentown, Chester and southeastern 宾夕法尼亚州, overlays with 610 and 835)
501: Arkansas (Little Rock, Hot Springs and central Arkansas)
502: Kentucky (Louisville, Frankfort, Shelbyville, Bardstown and north central Kentucky)
503: Oregon (Portland, Salem, Tillamook, Astoria and northwestern Oregon, overlays with 971 except in coastal area)
504: 路易斯安那州 (New Orleans, Kenner, Metairie and surrounding areas)
505: New Mexico
506: 加拿大 New Brunswick
507: 明尼苏达州 (Rochester, Mankato, Worthington, Marshall and southern 明尼苏达州)
508: 麻萨诸塞州 (Worcester, New Bedford and southeastern 麻萨诸塞州, overlays with 774)
509: Washington (All of eastern Washington, including Spokane, Yakima, Walla Walla, Moses Lake, and Ellensburg)
510: 加利福尼亚州 (Hayward, Berkeley, Oakland, Richmond and Fremont areas)
512: 德克萨斯州 (Austin, Lampasas, Bastrop, Milam and central 德克萨斯州)
513: 俄亥俄州 (Cincinnati, Middletown, Hamilton, Norwood, Lebanon and southwestern 俄亥俄州)
514: 加拿大 Quebec (Montreal area)
515: 爱荷华州 (Des Moines, Ames, Fort Dodge, Jefferson, Algona, Indianola and north central 爱荷华州)
516: New York (Nassau County)
517: 密歇根州 (Jackson, Lansing, Howell, Deerfield, Addison and south central 密歇根州)
518: New York (Plattsburgh, Saranac Lake, Albany and northeastern New York)
519: 加拿大 安大略省 (London, Windsor and southwestern 安大略省; overlays with 226)
520: Arizona (Tucson and southeastern Arizona)
530: 加利福尼亚州 (Alturas, Chico, Redding, Placerville, Truckee and northeastern 加利福尼亚州)
540: 维吉尼亚州 (Roanoke, Blacksburg, Harrisonburg, Winchester, Fredericksburg and north-central 维吉尼亚州)
541: Oregon (Medford, Eugene, 安大略省, Burns and all of Oregon except northwestern Oregon)
555: Directory enquiries – 555-1212 (Other numbers frequently used as numbers for drama [1], film, television, etc.)
559: 加利福尼亚州 (Fresno, Madera, Hanford, Visalia and central 加利福尼亚州)
561: 佛罗里达州 (West Palm Beach, Boca Raton, Boynton Beach, Delray Beach, Belle Glade and central eastern 佛罗里达州)
562: 加利福尼亚州 (Long Beach, Lakewood, Bellflower and southwestern Los Angeles suburbs)
563: 爱荷华州 (Decorah, Dubuque, Clinton, Davenport and eastern and northeastern 爱荷华州)
564: Washington (Western Washington) – planned, canceled
567: 俄亥俄州 (Toledo, Mansfield, Lima, Bryan, Sandusky and northwestern 俄亥俄州, overlays with 419)
570: 宾夕法尼亚州 (Scranton, Williamsport, Wilkes-Barre, Susquehanna and northeastern 宾夕法尼亚州)
571: 维吉尼亚州 (Northern 维吉尼亚州: Alexandria, Arlington, Fairfax, Prince William and eastern Loudoun counties, overlays with 703)
573: 密苏里州 (Columbia, Jefferson City, Hannibal, Cape Girardeau, Poplar Bluff and eastern 密苏里州 excluding St Louis)
574: 印第安纳州 (South Bend, Logansport, Elkhart, Warsaw, Nappanee and north central 印第安纳州)
580: Oklahoma (Guymon, Hugo, Enid, Lawton, Ardmore, Elk City and southern and western Oklahoma)
585: New York (Rochester, Wellsville, Batavia, Olean and western New York)
586: 密歇根州 (Port Huron, Flint, Flushing, Warren and eastern 密歇根州, overlays with 810)
601: Mississippi (Jackson, Meridian, Natchez, McComb, Hattiesburg and central Mississippi)
602: Arizona (Central Phoenix only)
603: New Hampshire
604: 加拿大 British Columbia (Vancouver, Richmond, Abbotsford, Whistler and southwestern BC, overlays with 778)
605: South Dakota
606: Kentucky (Ashland, Hazard, Somerset, London, Corbin, Pikeville, Maysville and eastern Kentucky)
607: New York (Binghamton, Elmira, Bath, Norwich and south central New York)
608: 威斯康辛州 (Madison, La Crosse, Platteville, Janesville and southwestern 威斯康辛州)
609: 新泽西州 (Atlantic City, Brown Mills, Trenton, and central & southeastern 新泽西州)
610: 宾夕法尼亚州 (Reading, Allentown, Chester and southeastern 宾夕法尼亚州, overlays with 484 and 835)
612: 明尼苏达州 (Central Minneapolis, Fort Snelling, St Anthony and Richfield)
613: 加拿大 安大略省 (Ottawa and southeastern 安大略省)
614: 俄亥俄州 (Columbus area)
615: 田纳西州 (Nashville, Murfreesboro, Springfield, Lebanon, Dickson and north central 田纳西州)
616: 密歇根州 (Grand Rapids, Holland, Greenville, Grandhaven, Zeeland, and southwestern 密歇根州)
617: 麻萨诸塞州 (Boston, Cambridge and close-in Boston suburbs, overlays with 857)
618: 伊利诺州 (Carbondale, Alton, Centralia, Mount Vernon and southern 伊利诺州)
619: 加利福尼亚州 (National City, Chula Vista, Imperial Beach, Otay and the San Diego area)
620: Kansas (Dodge City, Great Bend, Parsons, Liberal and southern Kansas)
623: Arizona (Glendale, Buckeye, Peoria, western Phoenix area and western Phoenix suburbs only)
626: 加利福尼亚州 (Arcadia, Temple City, Covina, Pasadena and eastern Los Angeles suburbs)
630: 伊利诺州 (Aurora, Batavia, Geneva and western Chicago suburbs)
631: New York (Suffolk County)
636: 密苏里州 (Chesterfield, Union, De Soto, Troy and east central 密苏里州)
641: 爱荷华州 (Mason City, Oskaloosa, Creston, Pella, Ottumwa, Britt, Clear Lake, Fairfield and central 爱荷华州)
646: New York (New York City: Manhattan only; overlays with 212 and 917)
647: 加拿大 安大略省 (Toronto; overlays with 416)
650: 加利福尼亚州 (San Mateo, Palo Alto, Redwood City, Menlo Park and southern San Francisco suburbs)
651: 明尼苏达州 (St Paul, Lindstrom, Red Wing, Hastings and east central 明尼苏达州)
660: 密苏里州 (Marshall, Sedalia, Macon, Trenton, Maryville and north central 密苏里州)
661: 加利福尼亚州 (Bakersfield, Mojave, Santa Clarita, Palmdale and south central 加利福尼亚州)
662: Mississippi (Greenville, Tupelo, Winona, Columbus, Holly Springs and northern Mississippi)
671: Guam (a territory of the United States)
678: 佐治亚州 (Atlanta, Gainesville, Griffin and north central 佐治亚州, overlays 404 and 470 and 770)
682: 德克萨斯州 (Fort Worth, Arlington, Grandview, Weatherford, Rhome, overlays with 817)
701: North Dakota
702: Nevada (Almost all of Clark County/Las Vegas area)
703: 维吉尼亚州 (Northern 维吉尼亚州: Alexandria, Arlington, Fairfax, Prince William and eastern Loudoun counties, overlays with 571)
704: 北卡罗莱那州 (Charlotte, Kingstown and south central 北卡罗莱那州, overlays with 980)
705: 加拿大 northeastern 安大略省 and central 安大略省 (North Bay, Greater Sudbury, Sault Ste. Marie, Timmins, Barrie)
706: 佐治亚州 (Augusta, Columbus, Lagrange, Rome, Dalton and northern and west central 佐治亚州)
707: 加利福尼亚州 (Santa Rosa, Fort Bragg, Crescent City, Eureka, Ukiah and northwestern 加利福尼亚州)
708: 伊利诺州 (Chicago Heights, Tinley Park, Cicero, Oak Park, Berwyn, and southern and inner western Chicago suburbs)
709: 加拿大 Newfoundland and Labrador
712: 爱荷华州 (Estherville, Council Bluffs, Sioux City, Sheldon, Denison and western 爱荷华州)
713: 德克萨斯州 (Houston area, overlays with 281 and 832)
714: 加利福尼亚州 (Huntington Beach, Orange, Garden Grove, Tustin, Anaheim and northern Orange County)
715: 威斯康辛州 (Rhinelander, Wausau, Eau Claire, Rice Lake, Ashland and northern 威斯康辛州)
716: New York (Buffalo, Jamestown, Niagara Falls, Tonawanda and western New York)
717: 宾夕法尼亚州 (Harrisburg, Gettysburg, Lancaster, York and south central 宾夕法尼亚州)
718: New York (New York City except Manhattan; overlays with 347 and 917)
719: 科罗拉多州 (Leadville, Pueblo, 科罗拉多州 Springs, Trinidad and southeastern 科罗拉多州)
720: 科罗拉多州 (Boulder, Longmont, Aurora, Denver and central 科罗拉多州, overlays with 303)
724: 宾夕法尼亚州 (New Castle, Washington, Uniontown and south western 宾夕法尼亚州, overlays with 878)
727: 佛罗里达州 (Clearwater, St Petersburg, Dunedin and the west central 佛罗里达州 gulf coast)
731: 田纳西州 (West 田纳西州 excluding greater Memphis: Union City, Jackson, Dyersburg, Martin, Brownsville, Paris, Bolivar)
732: 新泽西州 (New Brunswick, Neptune, Lakewood, and east central 新泽西州, overlays with 848)
734: 密歇根州 (Ann Arbor, Monroe, Wayne, Ypsilanti and southwestern Detroit suburbs)
740: 俄亥俄州 (Jackson, Lancaster, Marietta, Cambridge, Zanesville, New Castle and southeastern 俄亥俄州)
754: 佛罗里达州 (All of Broward County: Fort Lauderdale, Hollywood, Coral Springs, overlays with 954)
757: 维吉尼亚州 (Hampton Roads area and Eastern Shore)
760: 加利福尼亚州 (Bishop, Ridgecrest, Indio, Barstow, El Centro, Palm Springs, northern San Diego County, and southeastern 加利福尼亚州)
763: 明尼苏达州 (Maple Grove, Monticello, Elk River, Fridley, Blaine, and northwest Minneapolis area)
765: 印第安纳州 (Lafayette, Marion, Muncie, Richmond and central 印第安纳州 excluding 印第安纳州polis)
769: Mississippi (overlays with 601)
770: 佐治亚州 (Marietta, Cedartown, and north central 佐治亚州 outside Atlanta’s Perimeter highway, overlays with 470 and 678)
772: 佛罗里达州 (Vero Beach, Port Saint Lucie, Fort Pierce, Sebastian, Stuart and central eastern 佛罗里达州)
773: 伊利诺州 (City of Chicago, excluding downtown)
774: 麻萨诸塞州 (Worcester and southeastern 麻萨诸塞州, overlays with 508)
775: Nevada (Reno, Elko, Ely and all of Nevada except Las Vegas)
778: 加拿大 British Columbia (Vancouver, Richmond, Abbotsford and southwestern BC overlays with 604)
780: 加拿大 Alberta (Edmonton, Jasper, Grande Prairie, Peace River and northern Alberta)
781: 麻萨诸塞州 (Saugus, Norwood, Waltham, Woburn and other Boston suburbs along Route 128, overlays with 339)
785: Kansas (Colby, Topeka, Salina, Manhattan, Lawrence and northern Kansas)
786: 佛罗里达州 (Miami-Dade and Monroe Counties: Miami, Homestead, Coral Gables, Key West and 佛罗里达州 Keys, overlays with 305)
787: Puerto Rico (overlays with 939)
800: Toll Free
801: 犹他州 (Salt Lake City, Ogden, Provo, Park City, Payson, Bountiful and central 犹他州)
802: Vermont
803: South Carolina (Columbia, Rock Hill, Sumter, Aiken and central South Carolina)
804: 维吉尼亚州 (Richmond, Petersburg, West Point, Chester; east central 维吉尼亚州, Northern Neck, and Middle Peninsula)
805: 加利福尼亚州 (San Luis Obispo, Santa Barbara, Ventura; southwest central coastal 加利福尼亚州)
806: 德克萨斯州 (Amarillo, Lubbock, Canadian, Perryton, Shamrock, Dalhart and 德克萨斯州 panhandle)
807: northwestern 安大略省 (Thunder Bay, Kenora, Dryden, Geraldton, Fort William)
808: Hawaii
810: 密歇根州 (Port Huron, Flint, Flushing, Warren and eastern 密歇根州, overlays with 586)
812: 印第安纳州 (Evansville, New Albany, Terre Haute, Bloomington and southern 印第安纳州)
813: 佛罗里达州 (Tampa, Hillsborough, Plant City, Port Tampa and central western 佛罗里达州)
814: 宾夕法尼亚州 (Erie, Warren, Altoona, Johnstown, Meyersdale and central and northwestern 宾夕法尼亚州)
815: 伊利诺州 (La Salle, De Kalb, Rockford, Freeport and northern 伊利诺州 including parts of the Chicago area such as Joliet,Romeoville, and Plainfield)
816: 密苏里州 (Kansas City, St Joseph, Independence, Harrisonville and west central 密苏里州)
817: 德克萨斯州 (Fort Worth, Arlington, Grandview, Weatherford, Rhome, overlays with 682)
818: 加利福尼亚州 (Glendale, San Fernando, Burbank and northern Los Angeles suburbs)
819: 加拿大 Quebec (Western Quebec)
822: Toll Free
828: 北卡罗莱那州 (Asheville, Brevard, Morganton, Murphy and western 北卡罗莱那州)
830: 德克萨斯州 (Uvalde, New Braunfels, Kerrville, Eagle Pass and southwest 德克萨斯州)
831: 加利福尼亚州 (Salinas, Hollister, Monterey, Santa Cruz and central western coastal 加利福尼亚州)
832: 德克萨斯州 (Houston area, overlays with 281 and 713)
833: Toll Free
835: 宾夕法尼亚州 (Reading, Allentown, and southeastern 宾夕法尼亚州, overlays with 484 and 610)
843: South Carolina (Florence, Myrtle Beach, Charleston, Hilton Head Island and eastern South Carolina)
844: Toll Free
845: New York (Poughkeepsie, Middletown, West Point, Newburgh and southeastern New York)
847: 伊利诺州 (Wauconda, Waukegan, Des Plaines, 芝加哥都会区北侧郊区, 与224重叠)
850: 佛罗里达州 (Pensacola, Tallahassee, Panama City and the 佛罗里达州 panhandle)
855: Toll Free
856: 新泽西州 (Vineland, Cherry Hill, Camden, Millville, and southwestern 新泽西州)
857: 麻萨诸塞州 (Boston, Cambridge and east central 麻萨诸塞州, overlays with 617)
858: 加利福尼亚州 (Del Mar, La Jolla and northern San Diego suburbs)
859: Kentucky (Lexington, Richmond, Danville, Covington, Florence, Mount Sterling and north central Kentucky)
860: 康乃狄克州 (Bristol, Hartford, Norwich and northern and eastern 康乃狄克州, overlays with 959)
863: 佛罗里达州 (Avon Park, Clewiston, Lakeland, Bartow, Sebring, Winter Haven and south central 佛罗里达州)
864: South Carolina (Greenville, Spartanburg, Anderson and western South Carolina)
865: 田纳西州 (Knoxville, Newport, Jefferson City, Oak Ridge and central East 田纳西州)
866: Toll Free
867: Yukon, Northwest Territories and Nunavut
870: Arkansas (Texarkana, Mountain Home, Pine Bluff and southern, eastern and northeastern Arkansas)
877: Toll Free
878: 宾夕法尼亚州 (Pittsburgh, New Castle, and southwestern 宾夕法尼亚州, overlays with 412 and 724)
888: Toll Free
900: Excess Charge
901: 田纳西州 (Memphis, Covington, Somerville and south western 田纳西州)
902: 加拿大 Nova Scotia and Prince Edward Island
903: 德克萨斯州 (Tyler, Sherman, Longview, Marshall, Palestine, Jacksonville, Carthage, and northeastern 德克萨斯州)
904: 佛罗里达州 (Jacksonville, St. Augustine, Starke, Green Cove Springs and northeastern 佛罗里达州)
905: 安大略省 (Hamilton, Toronto suburbs and central southeastern 安大略省, overlays with 289)
906: 密歇根州 (Upper Peninsula)
907: Alaska
908: 新泽西州 (Washington, Elizabeth, Warren, Plainfield and west central 新泽西州)
909: 加利福尼亚州 (San Bernardino, Temecula, Ontario, Pomona, Chino and Riverside areas)
910: 北卡罗莱那州 (Fayetteville, Wilmington, Lumberton and southeastern 北卡罗莱那州)
912: 佐治亚州 (Savannah, Vidalia, Waycross, Brunswick, Douglas and southeastern 佐治亚州)
913: Kansas (Kansas City, Overland Park, Paola, Leavenworth and extreme eastern Kansas)
914: New York (Westchester County)
915: 德克萨斯州 (El Paso, Alpine, Midland, Abilene, Del Rio, San Angelo, Odessa and western 德克萨斯州)
916: 加利福尼亚州 (Sacramento area)
917: New York (New York City; overlays with 212, 347, 646, and 718)
918: Oklahoma (Tulsa, Bartlesville, McAlester, Muskogee, Henrietta and northeastern Oklahoma)
919: 北卡罗莱那州 (Raleigh, Durham, Chapel Hill, Oxford and north central 北卡罗莱那州)
920: 威斯康辛州 (Sheboygan, Oshkosh, Green Bay, Manitowoc, Fond Du Lac and eastern 威斯康辛州)
925: 加利福尼亚州 (Pleasanton, Martinez, Concord, Livermore, Walnut Creek and Dublin areas)
928: Arizona (Flagstaff, Kingman, Prescott, Yuma and northern and western Arizona)
931: 田纳西州 (Middle 田纳西州, excluding Greater Nashville: Clarksville, Columbia, Manchester, Cookeville)
936: 德克萨斯州 (Nacogdoches, Lufkin, Conroe, Huntsville, Center and southeastern 德克萨斯州)
937: 俄亥俄州 (Marysville, Springfield, Dayton, Hillsboro and southwestern 俄亥俄州 excluding Cincinnati area)
939: Puerto Rico (overlays with 787)
940: 德克萨斯州 (Vernon, Wichita Falls, Denton, Gainesville, Decatur and north central 德克萨斯州)
941: 佛罗里达州 (Bradenton, Port Charlotte, Sarasota, Punta Gorda and the Gulf Coast immediately south of Tampa Bay)
947: 密歇根州 (Troy, Oakland County, Pontiac, Southfield, Rochester Hills and northwestern Detroit suburbs, overlays with 248)
949: 加利福尼亚州 (Laguna Niguel, Irvine, El Toro, Newport Beach, Corona Del Mar and southern Orange County)
951: 加利福尼亚州 (Corona, Riverside, Temescal Canyon, Woodcrest, Arlington, Mira Loma, Moreno, Perris, Sun City, Murrieta, Temecula, Hemet, Lakeview Nuevo, Banning, Idyllwild; to be divided from 909 in July 2004)
952: 明尼苏达州 (Bloomington, Minnetonka, Chaska and southwest Minneapolis area)
954: 佛罗里达州 (All of Broward County: Fort Lauderdale, Hollywood, Coral Springs, overlays with 754)
956: 德克萨斯州 (Laredo, Brownsville, McAllen, Harlingen and southern 德克萨斯州)
959: 康乃狄克州 (Bristol, Hartford, Norwich and northern and eastern 康乃狄克州, overlays with 860)
970: 科罗拉多州 (Aspen, Durango, Grand Junction, Fort Collins and northern and western 科罗拉多州)
971: Oregon (Portland, Salem, Hillsboro, Beaverton and northwestern Oregon, overlays with 503)
972: 德克萨斯州 (Dallas area, overlays with 214 and 469)
973: 新泽西州 (Newark, Paterson and northwestern 新泽西州, overlays with 862)
978: 麻萨诸塞州 (Fitchburg, Peabody and northeastern 麻萨诸塞州, overlays with 351)
979: 德克萨斯州 (Wharton, Bryan, Bay City, College Station, Lake Jackson and southeastern 德克萨斯州)
980: 北卡罗莱那州 (Charlotte, Kingstown and south central 北卡罗莱那州, overlays with 704)
985: 路易斯安那州 (Houma, Slidell and southeastern 路易斯安那州 excluding New Orleans)
989: 密歇根州 (Alpena, Mt. Pleasant, Bay City, Saginaw, Midland, Owosso and central 密歇根州)
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