227 - Western Maryland (Washington, D.C., suburbs; all counties which touch the Potomac River; Silver Spring, Hagerstown, Frederick, Rockville, Cumberland)
228 - Mississippi (Gulfport, Biloxi, Pascagoula, Bay St. Louis, and southmost Mississippi)
235 - Eastern Missouri (Columbia, Jefferson City, Hannibal, Cape Girardeau, Farmington, Lake of the Ozarks, Poplar Bluff)
236 - British Columbia
239 - Southwest Florida (Lee County, Collier County, the mainland part of Monroe County, including Cape Coral, Fort Myers, Naples, and Everglades)
240 - Western Maryland (Silver Spring; Washington, D.C., suburbs; all counties which touch the Potomac River; Waldorf, Hagerstown, Frederick, Rockville, Cumberland)
242 - The Bahamas (all)
246 - Barbados (all)
248 - Michigan (Oakland County)
249 - Ontario (Northeastern Ontario and Central Ontario: Greater Sudbury, Sault Ste. Marie, North Bay, etc.)
250 - British Columbia (Victoria, Prince George, Prince Rupert, Kelowna, all areas except for Metro Vancouver and the Fraser Valley; and the isolated border town of Hyder, Alaska, US)
251 - Alabama (Mobile County, Baldwin County, Bay Minette, Jackson, Brewton, Citronelle, and a part of southwestern Alabama)
252 - North Carolina (Greenville, New Bern, Elizabeth City, Kinston, Outer Banks, Rocky Mount)
253 - Washington (Tacoma, McChord Air Force Base, Fort Lewis, Lakewood, Auburn, Puyallup, Enumclaw, Spanaway, and the southern suburbs of Seattle)
254 - Texas (Waco, Killeen, Temple, Belton, and Stephenville)
256 - Alabama (Huntsville, Decatur, Cullman, Gadsden, Madison, Florence, Sheffield, Tuscumbia, Fort Payne, Scottsboro, and most of northern Alabama)
257 - British Columbia (all, and the isolated border town of Hyder, Alaska, US)
260 - Indiana (Fort Wayne, New Haven, Decatur, Angola, Huntington, Wabash, and most of northeastern Indiana)
262 - Wisconsin (Racine, Kenosha, Menomonee Falls, Waukesha, and most of southeastern Wisconsin excluding Milwaukee County)
263 - Quebec (Montreal metropolitan area)
264 - Anguilla (all)
267 - Pennsylvania (Philadelphia and surrounding suburban area)
268 - Antigua and Barbuda (all)
269 - Michigan (Battle Creek, Kalamazoo, Benton Harbor, Allegan, Hastings, St. Joseph, and most of southwestern Michigan)
270 - Kentucky (Owensboro, Paducah, Bowling Green, Hopkinsville, Henderson, Elizabethtown, and most of western Kentucky)
272 - Pennsylvania (the Wyoming Valley, including Scranton and Wilkes-Barre, Bloomsburg, Danville, Nanticoke, Williamsport, and most of northeastern Pennsylvania)
273 - Quebec (Quebec City, Saguenay, the Gaspé Peninsula, Côte-Nord, Chibougamau, St-Georges), Maine (Estcourt Station)
274 - Wisconsin (Appleton, Sheboygan, Oshkosh, Green Bay, Manitowoc, Marquette, Fond du Lac, and parts of eastern Wisconsin—but not in Milwaukee County)
276 - Virginia (Bristol, Abingdon, Wytheville, Martinsville, Bluefield, Big Stone Gap, and the remainder of southwestern Virginia)
279 - California (the Sacramento Metropolitan Area)
281 - Texas (Houston area)
283 - Ohio (Cincinnati, Middletown, Hamilton, Lebanon, and parts of southern and southwestern Ohio)
284 - British Virgin Islands (all)
289 - Ontario (Oshawa-Hamilton and Golden Horseshoe, excluding Toronto 416 but including its adjacent suburbs)
300’s
301 - Maryland (Silver Spring; Washington, D.C., suburbs; all counties which touch the Potomac River; Waldorf, Hagerstown, Frederick, Rockville, Cumberland; and land line telephones in western Maryland)
305 - Florida (all of Miami-Dade County and the Florida Keys)
306 - Saskatchewan (all)
307 - Wyoming (all)
308 - Nebraska (North Platte, Scottsbluff, McCook, Kearney, Grand Island; western Nebraska)
309 - Illinois (Peoria, Bloomington, Moline, Rock Island, Galesburg; west-central Illinois)
310 - California (southwestern coastal and coastal-adjacent areas of Los Angeles County, including Beverly Hills, Brentwood, Malibu, Pacific Palisades, Redondo Beach, Santa Monica, Torrance, and Santa Catalina Island)
311 - Not assignable; N11 code for non-emergency calls to local government, or to reach the city or county hall
312 - Illinois (downtown Chicago)
313 - Michigan (Dearborn, the Grosse Pointes, Detroit, and the latter’s enclaves of Hamtramck and Highland Park)
314 - Missouri (St. Louis, St. Louis County, Florissant, Crestwood, Hazelwood, Kirkwood, and surrounding suburbs of St. Louis)
315 - New York (Syracuse, Utica, Watertown; north-central New York)
317 - Indiana (Indianapolis and immediate metro area including Carmel, Fishers, Noblesville, Westfield, Greenwood, Mooresville, Beech Grove, Plainfield, Avon, Brownsburg, and Zionsville)
318 - Louisiana (Shreveport–Bossier City, Monroe, Alexandria, Fisher, Tallulah, and most of northern Louisiana)
319 - Iowa (Cedar Rapids, Waterloo, Burlington, Iowa City; parts of eastern Iowa)
357 - California (Fresno, Hanford, Madera, Tulare, Visalia, and parts of the San Joaquin Valley)
360 - Washington (Olympia, Vancouver, Bellingham, Bremerton, Port Angeles, Aberdeen, and most of western Washington, except the Seattle metropolitan area)
361 - Texas (Corpus Christi, Victoria, George West, and much of south Texas)
363 - New York (Nassau County, including Hempstead and Mineola)
364 - Kentucky (Owensboro, Paducah, Bowling Green, Hopkinsville, Henderson, Elizabethtown, and most of western Kentucky)
365 - Ontario (Oshawa-Hamilton and the Golden Horseshoe, excluding Toronto’s 416 but including its adjacent suburbs)
367 - Quebec (Quebec City, Saguenay, the Gaspé Peninsula, Côte-Nord, Chibougamau, St-Georges), Maine (Estcourt Station)
368 - Alberta (all)
369 - California (Vallejo, Crescent City, Eureka, Redwoods National Park, Santa Rosa, Ukiah, and most of northwestern California)
380 - Ohio (Columbus and Franklin County)
382 - Ontario (London, Windsor, Kitchener-Waterloo, Cambridge, and most of southwestern Ontario)
385 - Utah (Counties of Davis; Morgan; Salt Lake; Utah; and Weber along the Wasatch Front, including the cities of Salt Lake City, Ogden, and Provo)
386 - Florida (Daytona Beach, Lake City, Live Oak, Crescent City, and parts of northeastern Florida)
400’s
401 - Rhode Island (all)
402 - Nebraska (Omaha, Lincoln, Norfolk, Superior, and most of eastern Nebraska)
403 - Alberta (Calgary, Banff, Red Deer, Medicine Hat, Lethbridge, Brooks, and most of southern Alberta)
404 - Georgia (Atlanta and the Atlanta metropolitan area inside of the Interstate 285 perimeter highway)
405 - Oklahoma (Oklahoma City, Stillwater, Edmond, Norman, Shawnee, and most of central Oklahoma)
406 - Montana (all)
407 - Florida (Orlando, Sanford, St. Cloud, Kissimmee, and a part of east-central Florida)
408 - California (San Jose, Cupertino, Los Altos, Los Altos Hills, Los Gatos, Milpitas, Mountain View, Santa Clara, Sunnyvale, and Silicon Valley)
409 - Texas (Beaumont, Galveston, Orange, Port Arthur, and Texas City)
410 - Maryland (Baltimore, Annapolis, Columbia, and all counties and cities which touch the Chesapeake Bay, the Atlantic Ocean, or Delaware, except for St. Mary’s County (in 301))
411 - Not assignable; N11 code for local information, local directory assistance
412 - Pennsylvania (Pittsburgh region)
413 - Western Massachusetts
414 - Wisconsin (Milwaukee County includes cities of Milwaukee, West Allis, Oak Creek, and others)
415 - California (San Francisco, Daly City, Brisbane, and most of Marin County)
416 - Ontario (the City of Toronto)
417 - Missouri (Springfield, Joplin, Branson, Lamar, Lebanon, and most of southwestern Missouri)
418 - Quebec (Quebec City, Saguenay, the Gaspé Peninsula, Côte-Nord, Chibougamau, St-Georges), Maine (Estcourt Station)
419 - Ohio (Toledo area and most of northwestern Ohio)
423 - Tennessee (two discontiguous portions of East Tennessee in the northeast and in the southeast)
424 - California (southwestern coastal and coastal-adjacent areas of Los Angeles County; also Santa Catalina Island)
425 - Washington (northern and eastern suburbs of Seattle)
432 - Western Texas (Midland, Odessa, Big Spring, Alpine, Fort Stockton)
434 - Virginia (Charlottesville, Lynchburg, Danville, and south-central Virginia)
435 - Most of Utah outside the Salt Lake City, Ogden, and Provo metropolitan areas in northern Utah
436 - Ohio (surrounding Cleveland on three sides, including: Elyria, Lorain, Oberlin, Ashtabula, and most of north-central Ohio)
437 - Ontario (Toronto metropolitan area)
438 - Quebec (Montreal metropolitan area)
440 - Ohio (surrounding Cleveland on three sides, including: Elyria, Lorain, Oberlin, Ashtabula, and most of north-central Ohio)
441 - Bermuda (all)
442 - California (most of the desert and mountain portions of the southeastern two-thirds of California)
443 - Maryland (Baltimore, Annapolis, Columbia, and all counties and cities which touch the Chesapeake Bay, the Atlantic Ocean, or Delaware, except for St. Mary’s County (in 301))
445 - overlay of 215 and 267 (Philadelphia, Pennsylvania)
447 - Illinois (Springfield, Champaign, Decatur, Urbana, Lincoln, and parts of central Illinois)
460 - Ontario (Northeastern Ontario and Central Ontario: Greater Sudbury, Sault Ste. Marie, North Bay, etc.)
463 - Indiana (Indianapolis and immediate metro area including Carmel, Fishers, Noblesville, Westfield, Greenwood, Mooresville, Beech Grove, Plainfield, Avon, Brownsburg, and Zionsville)
464 - Illinois (western and southern portions of suburban Cook County and far eastern sections of Will County and southern and near western suburbs of Chicago)
465 - New York (New York City: The Bronx, Brooklyn, Queens, Staten Island, and Marble Hill)
468 - Quebec (Western Québec, except Montréal 514 and surrounding area 450: a large area including Abitibi-Témiscamingue, Estrie, Mauricie, Outaouais, Sherbrooke, and Trois-Rivières)
469 - Texas (Dallas metropolitan area)
470 - Georgia (Atlanta metropolitan area)
471 - Mississippi (Tupelo, Columbus, Corinth, Greenville, Greenwood, Starkville, and most of northern Mississippi)
472 - North Carolina (Fayetteville, Wilmington, Fort Bragg, Seymour Johnson Air Force Base, Jacksonville, Lumberton, and much of southeastern North Carolina)
473 - Grenada (all)
474 - Saskatchewan
475 - Connecticut (Bridgeport, Danbury, New Haven, Waterbury, and southwestern Connecticut)
478 - Georgia (Macon, Warner Robins, Swainsboro, Milledgeville, Perry, and a part of central Georgia)
479 - Arkansas (Fort Smith, Fayetteville, Rogers, and most of northwestern Arkansas)
480 - Arizona (Phoenix metropolitan area; primarily the East Valley)
483 - Alabama (Montgomery, Auburn, Dothan, Enterprise, Eufaula, Opelika, Phenix City, Selma, Tuskegee, and most of southeastern Alabama)
484 - Pennsylvania (Chester, Lehigh Valley, Norristown, Reading; parts of southeastern Pennsylvania)
487 - Ontario (London, Windsor, Kitchener-Waterloo, Cambridge, and most of southwestern Ontario)
500’s
501 - Arkansas (Little Rock, Hot Springs, and much of central Arkansas, excluding Pine Bluff)
502 - Kentucky (Louisville, Frankfort, Shelbyville, Bardstown, and most of north-central Kentucky)
503 - Oregon (Portland, Salem, Hillsboro, Beaverton, St. Helens, Tillamook, Astoria, and most of northwestern Oregon)
504 - Louisiana (New Orleans metropolitan area)
505 - New Mexico (Albuquerque, Santa Fe, Farmington, Gallup, all of northwestern New Mexico, and a part of central New Mexico)
506 - New Brunswick (all)
507 - Minnesota (Rochester, Mankato, Austin, Marshall, Winona, and most of southern Minnesota)
508 - Southeastern Massachusetts
509 - Washington (all of eastern Washington, including Spokane, Ellensburg, Pullman, the Tri-Cities area, Walla Walla, Wenatchee, and Yakima)
510 - California (coastal regions of the East Bay: Oakland, Fremont, Hayward, Richmond, Berkeley, and Alameda)
511 - Not assignable; N11 code for local information for transportation and road conditions, local police non-emergency services
512 - Texas (Austin, San Marcos, and parts of central Texas)
513 - Ohio (Cincinnati, Middletown, Hamilton, Lebanon, and parts of southern and southwestern Ohio)
514 - Quebec (Montreal metropolitan area)
515 - Iowa (Des Moines, Ames, Fort Dodge, Jefferson, Indianola, and most of north-central Iowa)
516 - New York (Nassau County, including Hempstead and Mineola)
517 - Michigan (Lansing, Jackson, Charlotte, Deerfield, Addison, and most of south-central Michigan)
518 - New York (Albany, Schenectady, Plattsburgh, Saranac Lake, Lake George, Westport, and most of northeastern New York)
519 - Ontario (London, Windsor, Kitchener-Waterloo, Cambridge, Brantford, Guelph, and most of southwestern Ontario)
520 - Arizona (Tucson, Nogales, Fort Huachuca, and most of southeastern Arizona)
530 - California (Redding, Auburn, Chico, Davis, the California shore of Lake Tahoe, Placerville, Susanville, Truckee, Yreka, and most of northeastern California)
531 - Nebraska (Omaha, Lincoln, Norfolk, Superior, and most of eastern Nebraska)
534 - Wisconsin (Wausau, Eau Claire, Rhinelander, and most of northern Wisconsin)
537 - Ontario (Niagara Falls Region (including St. Catharines), Hamilton, and Greater Toronto Area, except for Toronto)
540 - Virginia (Fredericksburg, Roanoke, Blacksburg, Harrisonburg, Lexington, Staunton, Winchester, and parts of north-central Virginia)
541 - Oregon (Eugene, Bend, Corvallis, Medford, Pendleton, and all of Oregon except metropolitan northwestern Oregon, including Portland, Salem, and Astoria)
548 - Ontario (London, Windsor, Kitchener-Waterloo, Cambridge, and most of southwestern Ontario)
551 - New Jersey (Bergen County and Hudson County)
557 - Missouri (St. Louis, St. Louis County, Florissant, Crestwood, Hazelwood, Kirkwood, and surrounding suburbs of St. Louis)
559 - California (Fresno, Hanford, Madera, Tulare, Visalia, and parts of the San Joaquin Valley)
561 - Florida (Palm Beach County, including Palm Beach, West Palm Beach, Boca Raton, Boynton Beach, etc.)
562 - California (Downey, Long Beach, Whittier, Norwalk, La Habra, Lakewood, Pico Rivera, and most of southeastern Los Angeles County)
563 - Iowa (Davenport, Dubuque, Clinton, Bettendorf, and most of eastern and northeastern Iowa)
564 - Washington (Olympia, Vancouver, Bellingham, Bremerton, Port Angeles, Aberdeen, and all of western Washington)
567 - Ohio (Toledo area and most of northwestern Ohio)
568 - Alberta (all)
570 - Pennsylvania (the Wyoming Valley, including Scranton and Wilkes-Barre; Bloomsburg; Danville; Nanticoke; Williamsport; and most of northeastern Pennsylvania)
571 - Virginia (Washington, D.C. suburbs, including Arlington and Alexandria)
572 - Oklahoma (Oklahoma City, Stillwater, Edmond, Norman, Shawnee, and most of central Oklahoma)
573 - Missouri (Columbia, Jefferson City, Hannibal, Cape Girardeau, Farmington, Lake of the Ozarks, Poplar Bluff, and most of eastern Missouri excluding the St. Louis metropolitan area)
574 - Indiana (South Bend, Elkhart, Goshen, Logansport, and most of north-central Indiana)
575 - New Mexico (Las Cruces, Roswell, Carlsbad Caverns National Park, Socorro, Taos, and Truth or Consequences; excludes central (Albuquerque and its suburbs) and northwestern New Mexico)
580 - Oklahoma (Ponca City, Ada, Ardmore, Enid, Lawton, Elk City, and most of southern and western Oklahoma)
581 - Quebec (Quebec City, Saguenay, the Gaspé Peninsula, Côte-Nord, Chibougamau, St-Georges), Maine (Estcourt Station)
582 - Pennsylvania (Erie, State College, Altoona, Clearfield, Emporium, Johnsonburg, Johnstown, Meyersdale, Ridgway, Somerset, and most of northwestern and parts of central Pennsylvania)
584 - Manitoba
585 - New York (Rochester, Batavia, and much of western New York)
586 - Michigan (Macomb County)
587 - Alberta (all)
600’s
600 - Canadian non-geographic tariffed: teleprinter, caller-pays mobile, etc.
601 - Mississippi (Jackson, Hattiesburg, Meridian, Natchez, Vicksburg, and most of central Mississippi)
602 - Arizona (Phoenix metropolitan area; primarily the city of Phoenix)
603 - New Hampshire (all)
604 - British Columbia (Metro Vancouver Regional District, Fraser Valley Regional District, Whistler, and the remaining portion of 604 not part of an overlay complex)
605 - South Dakota (all)
606 - Kentucky (Ashland, Pikeville, Hazard, Somerset, London, Corbin, Maysville, and much of eastern Kentucky)
607 - New York (Binghamton, Elmira, Cortland, Norwich, Ithaca, and most of south-central New York)
608 - Wisconsin (Madison, La Crosse, Platteville, Beloit, and most of southwestern Wisconsin)
609 - New Jersey (Trenton, Atlantic City, Princeton, McGuire Air Force Base, Fort Dix, and most of central , south central & southeastern New Jersey)
610 - Pennsylvania (Chester, Lehigh Valley, Norristown, Reading; parts of southeastern Pennsylvania)
611 - Not assignable; N11 code for repair service for landline telephones, customer service for wireless carriers
612 - Minnesota (Minneapolis, Fort Snelling, St. Anthony, and Richfield)
613 - Ontario (Ottawa metropolitan area and southeastern Ontario)
614 - Ohio (Columbus and Franklin County)
615 - Tennessee (Northern Middle Tennessee including Nashville)
616 - Michigan (Grand Rapids, Greenville, Holland, Ionia, Zeeland, and most of southwestern Michigan)
617 - East-central Massachusetts, including Boston
618 - Illinois (Carbondale, Alton, Belleville, Cahokia, Centralia, Edwardsville, Marion, Metropolis, Vandalia, and most of southern Illinois)
619 - California (San Diego and suburbs)
620 - Kansas (southern Kansas not including the Wichita Metropolitan Area)
621 - Texas (Houston area)
622 - Canadian non-geographic
623 - Arizona (Phoenix metropolitan area; primarily the West Valley)
624 - New York (Buffalo, Niagara Falls, Olean, and parts of western New York)
626 - California (San Gabriel Valley)
628 - California (San Francisco, Daly City, Brisbane, and most of Marin County)
629 - Tennessee (Middle Tennessee, including Nashville and surrounding area)
630 - Illinois (western suburbs of Chicago, including DuPage, central and southern Kane, northern Kendall, far northern Will, and small portions of Cook counties)
631 - New York (Suffolk County on Long Island)
633 - Canadian non-geographic
636 - Missouri (St. Charles, Chesterfield, Union, Troy, and parts of east-central Missouri)
639 - Saskatchewan
640 - New Jersey (Trenton, Atlantic City, Princeton, and most of central & southeastern New Jersey)
641 - Iowa (Mason City, Oskaloosa, Creston, Pella, Ottumwa, Britt, Clear Lake, Fairfield, and parts of central Iowa)
645 - Florida (Miami-Dade County and the Florida Keys)
646 - New York (New York City: Manhattan only, except for Marble Hill)
647 - Ontario (Toronto)
649 - The Turks and Caicos Islands (all)
650 - California (Daly City, South San Francisco, Palo Alto, Redwood City, Menlo Park, Mountain View, San Mateo, Santa Clara)
651 - Minnesota (St. Paul, Eagan, Lindstrom, Red Wing, Hastings, Stillwater, and a part of east-central Minnesota)
656 - Florida (all of Hillsborough County, including Tampa and its suburbs, MacDill Air Force Base, and Plant City, and also the inland areas of Pasco County and Oldsmar in Pinellas County)
657 - California (Northern Orange County: Anaheim, Fullerton, Garden Grove, Huntington Beach, Orange, Santa Ana, and portions Newport Beach and Costa Mesa)
658 - Jamaica (all)
659 - Alabama (Birmingham, Tuscaloosa, and parts of western and central Alabama)
660 - Missouri (Sedalia, Kirksville, Maryville, Mexico, Whiteman Air Force Base, and a part of north-central Missouri)
661 - California (Northern Los Angeles County, including Lancaster, Palmdale, and Santa Clarita; and most of Kern County, including Bakersfield, Mojave, and Edwards Air Force Base)
662 - Mississippi (Tupelo, Columbus, Corinth, Greenville, Greenwood, Starkville, and most of northern Mississippi)
664 - Montserrat (all)
667 - Maryland (all counties and cities which touch the Chesapeake Bay, the Atlantic Ocean, or Delaware, except for St. Mary’s County (in 301))
669 - California (San Jose, Cupertino, Los Altos, Los Altos Hills, Los Gatos, Milpitas, Mountain View, Santa Clara, Sunnyvale, and Silicon Valley)
670 - Northern Mariana Islands (all)
671 - Guam (includes Andersen Air Force Base)
672 - British Columbia, and the isolated border town of Hyder, Alaska, US
678 - Georgia (Metro Atlanta)
679 - Michigan (Dearborn, the Grosse Pointes, Detroit, and the latter’s enclaves of Hamtramck and Highland Park)
680 - New York (Syracuse, Utica, Watertown, and north-central New York)
681 - West Virginia
682 - Texas (Fort Worth, Arlington, Grand Prairie, Grandview, Weatherford)
683 - Ontario (Northeastern Ontario and Central Ontario: Greater Sudbury, Sault Ste. Marie, North Bay, etc.)
684 - American Samoa (the former country code for this possession and unorganized territory of the United States)
686 - Virginia (the Richmond Metropolitan Area, including Petersburg and the Northern Neck and Middle Peninsula)
689 - Florida (Orlando, Sanford, St. Cloud, Kissimmee, and a part of east-central Florida)
700’s
700 - Implemented for carrier internal use
701 - North Dakota (all)
702 - Nevada (almost all of Clark County, including all of the Las Vegas Valley, including Henderson and Boulder City)
703 - Virginia (Northern Virginia: mostly the suburbs of Washington, D.C., including Alexandria, Arlington County, Fairfax County, Prince William County, and eastern Loudoun County)
704 - North Carolina (Charlotte, Concord, Gastonia, Salisbury, and much of south-central North Carolina)
705 - Ontario (Northeastern Ontario and Central Ontario: Greater Sudbury, Sault Ste. Marie, North Bay, etc.)
706 - Georgia (Athens, Augusta, Columbus, Calhoun, Dalton, Rome, and much of northwestern, northeastern and eastern Georgia, with an exclave in midwestern Georgia)
707 - California (Vallejo, Crescent City, Eureka, Redwoods National Park, Santa Rosa, Ukiah, and most of northwestern California)
708 - Illinois (western and southern portions of suburban Cook County and far eastern sections of Will County)
709 - Newfoundland and Labrador (all)
710 - US Government special services
711 - Not assignable; N11 code for telecommunications device for the deaf
712 - Iowa (Sioux City, Council Bluffs, Denison, and most of western Iowa)
713 - Texas (Houston area) — overlays with 281, 346, 621, and 832
714 - California (Northern Orange County: Anaheim, Fullerton, Garden Grove, Huntington Beach, Orange, Santa Ana, and portions of Newport Beach, Costa Mesa, and Tustin)
715 - Wisconsin (Wausau, Eau Claire, Rhinelander, and most of northern Wisconsin)
716 - New York (Buffalo, Niagara Falls, Olean, and parts of western New York)
717 - Pennsylvania (Harrisburg, Gettysburg, Lancaster, York, and most of south-central Pennsylvania)
718 - New York (The Bronx, Brooklyn, Queens, Staten Island, and Marble Hill)
719 - Colorado (Colorado Springs, Pueblo, Florence, Leadville, Limon, Trinidad, La Junta, and most of southeastern Colorado)
724 - Pennsylvania (Washington, Greensburg, Indiana, New Castle, Uniontown, Butler, and the majority of Southwestern Pennsylvania outside of Pittsburgh’s Allegheny County)
725 - Nevada (almost all of Clark County, including all of the Las Vegas Valley, including Henderson, and Boulder City)
726 - Texas (San Antonio metropolitan area)
727 - Florida (all of Pinellas County (except Oldsmar which uses area codes 656 and 813), including St. Petersburg, Clearwater, Dunedin, Palm Harbor, Tarpon Springs, and the coastal parts of Pasco County)
728 - Florida (Palm Beach County, including Palm Beach, West Palm Beach, Boca Raton, Boynton Beach, etc.)
729 - Tennessee (two discontiguous portions of East Tennessee in the northeast and in the southeast)
730 - Illinois (Carbondale, Alton, Belleville, Cahokia, Centralia, Edwardsville, Marion, Metropolis, Vandalia, and most of southern Illinois)
731 - Tennessee (most of West Tennessee, excluding Metropolitan Memphis and Shelby County (area code 901), but including Dyersburg, Jackson, Martin, Paris, Union City, and Crockett County)
732 - New Jersey (New Brunswick, Lakewood, Neptune, Fort Dix, and most of east-central New Jersey)
734 - Michigan (Ann Arbor, Hell, Monroe, Plymouth, Romulus, Wayne, Ypsilanti, and the southwestern suburbs of Detroit)
737 - Texas (Austin and suburbs)
738 - California (nearly the entire city of Los Angeles outside of the San Fernando Valley and smaller cities and unincorporated areas of Los Angeles County immediately to the south or east)
740 - Southeastern and central parts of Ohio
742 - Ontario (Niagara Falls Region, Hamilton, St. Catharines, suburbs of the Greater Toronto Area, and southeastern Ontario)
743 - North Carolina (the Piedmont Triad, Wilkesboro, Roxboro, and most of northwestern North Carolina)
747 - California (the San Fernando Valley portion of Los Angeles County, including Burbank, Canoga Park, Encino, Glendale, North Hollywood, Northridge, Panorama City, Reseda, San Fernando, Sylmar, Tarzana, Van Nuys, and Woodland Hills)
748 - Western and northern parts of Colorado
753 - Ontario (Ottawa metropolitan area and southeastern Ontario)
754 - Florida (Broward County)
757 - Virginia (Part of Hampton Roads and the Eastern Shore of Virginia)
758 - Saint Lucia (all)
760 - California (most of the desert and mountain portions of the southeastern two-thirds of California)
762 - Georgia (Athens, Augusta, Columbus, Calhoun, Dalton, Rome, and much of northwestern, northeastern and eastern Georgia, with an exclave in midwestern Georgia)
763 - Minnesota (Brooklyn Park, Plymouth, Maple Grove, Monticello, Elk River, Fridley, Blaine, and the northwest suburban area of Minneapolis)
765 - Indiana (Kokomo, Lafayette, Marion, Muncie, Richmond, West Lafayette, and most of central Indiana excluding Indianapolis and immediate suburbs)
767 - Commonwealth of Dominica (all)
769 - Mississippi (Jackson, Hattiesburg, Meridian, Natchez, Vicksburg, and most of central Mississippi)
770 - Georgia (Marietta, Carrollton, Gainesville, Jonesboro, Lawrenceville, Roswell, Stone Mountain, Snellville, Cartersville, and much of north-central Georgia and metropolitan Atlanta outside of Interstate 285)
771 - Washington, D.C. (all)
772 - Florida (Fort Pierce, Port Saint Lucie, Sebastian, Stuart, Vero Beach, all of Indian River County, and Martin County)
773 - Illinois (City of Chicago, excluding downtown)
774 - Southeastern Massachusetts
775 - Nevada (Carson City, Reno, Elko, Ely, Sparks, Winnemucca, Great Basin National Park, Naval Air Station Fallon, and all of Nevada, except for most of Clark County in southernmost Nevada)
778 - British Columbia (all, and the isolated border town of Hyder, Alaska, US)
779 - Illinois (much of northern Illinois outside Chicago and its immediate surrounding suburbs: Rockford and its suburbs, Belvidere, La Salle, Peru, DeKalb, Sycamore, Freeport, Dixon, Sterling, Rock Falls, Ottawa, Morris, Princeton, Mendota, Rochelle, Sandwich, Streator, Pontiac, Kankakee, and some outlying Chicago suburbs such as Harvard, McHenry, Crystal Lake, Woodstock, Plainfield, Joliet, Romeoville, Lockport, New Lenox, Frankfort, Minooka, Channahon, and Shorewood)
780 - Alberta (Edmonton, Jasper, Grande Prairie, Peace River, and all of northern Alberta)
785 - Kansas (Topeka, Salina, Colby, Lawrence, Manhattan, and all of northern and central Kansas not including the Kansas City Metropolitan Area)
786 - Florida (Miami-Dade County and the Florida Keys)
787 - Puerto Rico
800’s
800 - Toll-free telephone service
801 - Utah (Counties of Davis, Morgan, Salt Lake, Utah, and Weber along the Wasatch Front, including the cities of Salt Lake City, Ogden, and Provo)
802 - Vermont (all)
803 - South Carolina (Columbia, Rock Hill, Sumter, Aiken, and most of central South Carolina)
804 - Virginia (the Richmond Metropolitan Area, including Petersburg and the Northern Neck and Middle Peninsula)
805 - California (Ventura, San Luis Obispo, and Santa Barbara Counties)
806 - Texas (Lubbock, Amarillo, Canadian, Canyon, Dalhart, and the entire Texas Panhandle)
807 - Ontario (Northwestern Ontario: Thunder Bay, Kenora, Dryden, Greenstone)
808 - Hawaii (all of the Hawaiian Islands to Midway Atoll and major Hawaiian cities including Honolulu, Kailua, Mililani, Haleiwa, Hilo, Kahului, Lihue, etc.; plus Wake Island)
809 - Dominican Republic (all)
810 - Michigan (Port Huron, Flint, Lapeer, and the Michigan “Thumb”)
812 - Indiana (Southern Indiana, including Bloomington, Evansville, Terre Haute, Columbus, Jeffersonville, Lawrenceburg, Madison, and New Albany)
813 - Florida (all of Hillsborough County, including Tampa and its suburbs, MacDill Air Force Base, and Plant City; and the inland areas of Pasco County and Oldsmar in Pinellas County)
814 - Pennsylvania (Erie, State College, Altoona, Clearfield, Emporium, Johnsonburg, Johnstown, Meyersdale, Ridgway, Somerset, and most of northwestern and parts of central Pennsylvania)
815 - Illinois (much of northern Illinois outside Chicago and its immediate surrounding suburbs: Rockford and its suburbs, Belvidere, La Salle, Peru, DeKalb, Sycamore, Freeport, Dixon, Sterling, Rock Falls, Ottawa, Morris, Princeton, Mendota, Rochelle, Sandwich, Streator, Pontiac, Kankakee, and some outlying Chicago suburbs such as Harvard, McHenry, Crystal Lake, Woodstock, Plainfield, Joliet, Romeoville, Lockport, New Lenox, Frankfort, Minooka, Channahon, and Shorewood)
816 - Missouri (Kansas City, St Joseph, Independence, Harrisonville, and parts of west-central Missouri)
817 - Texas (Fort Worth, Arlington, Grand Prairie, Grandview, Weatherford)
818 - California (the San Fernando Valley portion of Los Angeles County, including Burbank, Canoga Park, Encino, Glendale, North Hollywood, Northridge, Panorama City, Reseda, San Fernando, Sylmar, Tarzana, Van Nuys, and Woodland Hills)
819 - Quebec (Western Québec, except Montréal 514 and surrounding area 450: a large area including Abitibi-Témiscamingue, Estrie, Mauricie, Outaouais, Sherbrooke, and Trois-Rivieres)
820 - California (Ventura, San Luis Obispo, and Santa Barbara Counties)
821 - South Carolina (The Upstate, including Greenville, Spartanburg, Anderson, Clemson, and most of northwestern South Carolina)
825 - Alberta (all)
826 - Virginia (Fredericksburg, Roanoke, Blacksburg, Harrisonburg, Lexington, Staunton, Winchester, and parts of north-central Virginia)
828 - North Carolina (Asheville, Franklin, Hickory, Murphy, Waynesville, and parts of western North Carolina)
829 - Dominican Republic (all)
830 - Texas (Del Rio, Kerrville, Eagle Pass, Fredericksburg, New Braunfels, and a part of the Rio Grande Valley)
831 - California (Monterey County, including Salinas and Monterey); San Benito County (including Hollister); and Santa Cruz County (including Santa Cruz and Watsonville)
832 - Texas (Houston Metropolitan Area and suburbs)
833 - Toll-free telephone service
835 - Pennsylvania (Chester, Lehigh Valley, Norristown, Reading; parts of southeastern Pennsylvania)
837 - California (Redding, Auburn, Chico, Davis, the California shore of Lake Tahoe, Placerville, Susanville, Truckee, Yreka, and most of northeastern California)
838 - New York (Albany, Schenectady, Plattsburgh, Saranac Lake, Lake George, Westport, and most of northeastern New York)
839 - South Carolina (Columbia, Rock Hill, Sumter, Aiken, and most of central South Carolina)
840 - California (southwestern San Bernardino County and a small portion of Los Angeles and Riverside counties, including Fontana, Pomona, Chino Hills, Claremont, Chino, Ontario, and Redlands)
843 - South Carolina (Charleston, Florence, Hilton Head Island, Myrtle Beach, Charleston Air Force Base, and most of southeastern South Carolina)
844 - Toll-free telephone service
845 - New York (Dutchess, Orange, Putnam, Rockland, Sullivan, and Ulster counties)
847 - Illinois (North and northwest suburbs of Chicago, including Lake, northern Cook, northern Kane, and extreme southeastern McHenry Counties; includes Evanston, Skokie, Niles, Park Ridge, Des Plaines, Mount Prospect, Arlington Heights, Palatine, Wheeling, Buffalo Grove, Barrington, Elk Grove Village, Schaumburg, Hoffman Estates, Elgin, Carpentersville, Algonquin, Lake in the Hills, Huntley, Hampshire, Cary, Lake Zurich, Fox Lake, Round Lake Beach, Antioch, Gurnee, Waukegan, Zion, Lake Forest, Vernon Hills, Libertyville, Mundelein, Northbrook, Glenview, Deerfield, Highland Park, Wilmette, Winnetka)
848 - New Jersey (New Brunswick, Lakewood, Neptune, Fort Dix, and most of east-central New Jersey)
849 - Dominican Republic (all)
850 - northwestern Florida (Appalachicola, Pensacola, Tallahassee, Quincy, Panama City, Naval Air Station Pensacola, Eglin Air Force Base and all of the Florida Panhandle)
851 - Nova Scotia and Prince Edward Island
854 - South Carolina (Charleston, Florence, Hilton Head Island, Myrtle Beach, Charleston Air Force Base, and most of southeastern South Carolina)
855 - Toll-free telephone service
856 - New Jersey (Cherry Hill, Camden, Millville, Vineland, and most of southwestern New Jersey)
857 - East-central Massachusetts, including Boston
860 - Northern and eastern Connecticut (Hartford, Bristol, Norwich, and northern and eastern Connecticut)
861 - Illinois (Peoria, Bloomington, Moline, Rock Island, Galesburg; west-central Illinois)
862 - New Jersey (northernmost part)
863 - Florida (Lakeland, Bartow, Sebring, Winter Haven in south central Florida)
864 - South Carolina (The Upstate, including Greenville, Spartanburg, Anderson, Clemson, and most of northwestern South Carolina)
865 - Tennessee (Knoxville, Alcoa, Athens, Clinton, Crossville, Dayton, Gatlinburg, Loudon, Maryville, Newport, Oak Ridge, Oliver Springs, Pigeon Forge, Rockwood, Sweetwater, etc., in east Tennessee)
866 - Toll-free telephone service
867 - The Canadian Territories: Yukon, Northwest Territories, and Nunavut
868 - Trinidad and Tobago (all)
869 - Saint Kitts and Nevis (all)
870 - Arkansas (Texarkana, Jonesboro, Pine Bluff, and southern, eastern, and northeastern Arkansas)
871 - Ontario (Ottawa metropolitan area and southeastern Ontario)
872 - Illinois (Chicago)
873 - Quebec (Western Québec, except Montréal 514 and surrounding area 450: a large area including Abitibi-Témiscamingue, Estrie, Mauricie, Outaouais, Sherbrooke, and Trois-Rivières)
876 - Jamaica
877 - Toll-free telephone service
878 - Pennsylvania (Pittsburgh) and suburbs
879 - Newfoundland and Labrador
888 - Toll-free telephone service
900’s
900 - Premium-rate telephone numbers
901 - Tennessee (Memphis, Covington, Germantown, Somerville, and extreme southwestern Tennessee, mostly in Shelby County)
907 - Alaska (all, except the lone border town of Hyder which uses the BC, Canada area codes of 236, 250, 672, or 778 depending on its assigned number)
908 - New Jersey (Alpha, Washington, Elizabeth, Warren, Plainfield, and west-central New Jersey)
909 - California (southwestern San Bernardino County and a small portion of Los Angeles and Riverside Counties, including Fontana, Pomona, Chino Hills, Claremont, Chino, Ontario, and Redlands)
910 - North Carolina (Fayetteville, Wilmington, Fort Bragg, Seymour Johnson Air Force Base, Jacksonville, Lumberton, and much of southeastern North Carolina)
911 - Not assignable; N11 code for emergency services
919 - North Carolina (the Research Triangle, including Raleigh, the state capital city; Durham, Cary, and Chapel Hill; and Goldsboro and other parts of north-central North Carolina)
920 - Wisconsin (Appleton, Sheboygan, Oshkosh, Green Bay, Manitowoc, Marquette, Fond du Lac, and parts of eastern Wisconsin, but not Milwaukee County)
924 - Minnesota (Rochester, Mankato, Austin, Marshall, Winona, and most of southern Minnesota)
925 - California (inland regions of the East Bay: Livermore, Concord, Pleasant Hill, Walnut Creek, Martinez, Pleasanton, and Dublin, just east of the hills that ring San Francisco Bay)
928 - Arizona (except for Phoenix metropolitan area, Tucson metropolitan area, and some areas west and south of Tucson)
929 - New York (New York City: The Bronx, Brooklyn, Queens, Staten Island, and Marble Hill)
930 - Indiana (Southern Indiana, including Bloomington, Evansville, Terre Haute, Columbus, Jeffersonville, Lawrenceburg, Madison, and New Albany)
931 - Tennessee (Southern Middle Tennessee)
934 - New York (Suffolk County on Long Island)
936 - Texas (Nacogdoches, Lufkin, Conroe, Huntsville, Center, and Southeast Texas)
937 - Ohio (Dayton, Springfield, and southwestern Ohio north and east of the Cincinnati metropolitan area)
940 - Texas (the area immediately north of the Dallas–Fort Worth metroplex: Denton, Wichita Falls, Decatur, Gainesville, Vernon, etc.)
941 - Florida (Gulf Coast immediately south of Tampa Bay: all of Manatee County, Sarasota County, and Charlotte County; includes Bradenton, Port Charlotte, Sarasota, and Punta Gorda)
942 - Toronto metropolitan area
943 - Georgia (Metro Atlanta)
945 - Texas (Dallas–Fort Worth metroplex)
947 - Michigan (Oakland County)
948 - Virginia (Part of Hampton Roads and the Eastern Shore of Virginia)
949 - California (Southern Orange County: Irvine, Lake Forest, Mission Viejo, Corona del Mar, San Clemente, Laguna Beach, Dana Point, San Juan Capistrano, Rancho Santa Margarita, and parts of Newport Beach and Costa Mesa)
950 - not assignable as an area code
951 - California (western Riverside County, including Riverside, Corona, Hemet, Lake Elsinore, Moreno Valley, Murrieta, Temecula, etc.)
952 - Minnesota (Bloomington, Eden Prairie, Edina, Minnetonka, Chaska, and the southwest suburban Minneapolis area)
954 - Florida (all of Broward County: Fort Lauderdale, Hollywood, Coral Springs, etc.)
956 - Texas (Laredo, Harlingen, Brownsville, McAllen, and southmost Texas)
959 - Northern and eastern Connecticut (Hartford, Bristol, Norwich, and northern and eastern Connecticut)
970 - Colorado (Grand Junction, Aspen, Durango, Estes Park, Fort Collins, Frisco, Glenwood Springs, Greeley, Purgatory, Steamboat Springs, Telluride, Vail, Rocky Mountain National Park, Dinosaur National Monument, and most of north-central, south-central, and western Colorado)
971 - Oregon (Portland, Salem, Hillsboro, Beaverton, and most of northwestern Oregon)
972 - Texas (Dallas metropolitan area)
973 - New Jersey (Newark, Paterson, and most of northeastern New Jersey)
975 - Missouri (Kansas City, St Joseph, Independence, Harrisonville, and parts of west-central Missouri)
978 - Northeastern Massachusetts
979 - Texas (Wharton, Bryan, Bay City, College Station, Lake Jackson, La Grange, and southeastern Texas)
980 - North Carolina (Charlotte, Concord, Gastonia, Salisbury, and much of south-central North Carolina)
983 - Denver, Colorado
984 - North Carolina (the Research Triangle, including Raleigh, the state capital city; Durham, Cary, and Chapel Hill; and Goldsboro and other parts of north-central North Carolina)
985 - Louisiana (Houma, Slidell, and southeastern Louisiana excluding New Orleans)
986 - Idaho
988 - An N11 short code for the Suicide & Crisis Lifeline; not assignable as an area code
989 - Michigan (Alpena, Mt. Pleasant, Bay City, Saginaw, Midland, Owosso, and a part of central Michigan)
