Below, there's Mexican city codes and international calling codes too. Some U.S. cities now have more than one area code. Let me know if I blew chunks. Thanks.
send mail to grrr@calweb.com
201 New Jersey Newark
202 Washington D.C. all locations
203 Connecticut Bridgeport, Waterbury
204 Manitoba all locations
205 Alabama Birmingham, Hunstville
206 Washington Seattle, Tacoma
207 Maine all locations
208 Idaho all locations
209 California Fresno, Stockton
210 Texas San Antonio, Brownsville
212 New York Manhattan
213 California Los Angeles, South Gate
214 Texas Dallas, Garland
215 Pennsylvania Philadelphia, Bristol
216 Ohio Cleveland, Akron
217 Illinois Springfield, Champaign
218 Minnesota Duluth, Moorhead
219 Indiana South Bend, Gary
281 Texas Houston
301 Maryland Bethesda, Hagerstown
302 Delaware all locations
303 Colorado Denver, Boulder
304 West Virginia all locations
305 Florida Miami, Ft. Lauderdale
306 Saskatchewan all locations
307 Wyoming all locations
308 Nebraska North Platte, Grand Island
309 Illinois Peoria, Lincoln
310 California Long Beach, Santa Monica
312 Illinois Chicago
313 Michigan Detroit, Ann Arbor
314 Missouri St. Louis, St. Charles
315 New York Syracuse, Watertown
316 Kansas Wichita, Newton
317 Indiana Indianapolis, Muncie
318 Louisiana Shreveport, Lake Charles
319 Iowa Cedar Rapids, Dubuque
334 Alabama Mobile, Montgomery
360 Washington Olympia, Vancouver
401 Rhode Island all locations
402 Nebraska Omaha, Lincoln
403 Alberta, Northwest Territories
404 Georgia Atlanta
405 Oklahoma Okie City, Enid
406 Montana all locations
407 Florida Orlando, Boca Raton
408 California San Jose, Monterey
409 Texas Beaumont, Galveston
410 Maryland Baltimore, Annapolis
412 Pennsylvania Pittsburgh, New Castle
413 Massachusetts Pittsfield, Holyoke
414 Wisconsin Milwaukee, Green Bay
415 California San Francisco
416 Ontario Toronto, Hamilton
417 Missouri Springfield, Joplin, Branson
418 Quebec Quebec City
419 Ohio Toledo, Lima
423 Tennessee Chattanooga, Knoxville
441 Bermuda all locations
501 Arkansas all locations
502 Kentucky Louisville, Frankfort
503 Oregon Portland, Salem
504 Louisiana New Orleans, Baton Rouge
505 New Mexico all locations
506 New Brunswick all locations
507 Minnesota Rochester, Mankato
508 Massachusetts Worcester, Brockton
509 Washington Spokane, Walla Walla
510 California Oakland, Fremont
512 Texas Austin, Corpus Christi
513 Ohio Cincinnati, Dayton
514 Quebec Montreal
515 Iowa Des Moines, Mason City
516 New York Great Neck, Hempstead
517 Michigan Lansing, Alpena
518 New York Albany, Lake Placid
519 Ontario London, Windsor
520 Arizona Flagstaff, Tucson
540 Virginia Roanoke, Lexington
541 Oregon Eugene, Klamath Falls
601 Mississippi all locations
602 Arizona Phoenix, Glendale
603 New Hampshire all locations
604 British Columbia all locations
605 South Dakota all locations
606 Kentucky Lexington, Covington
607 New York Ithaca, Binghamton
608 Wisconsin Madison, La Crosse
609 New Jersey Trenton, Atlantic City
610 Pennsylvania Allentown, Chester
612 Minnesota Minneapolis, St. Paul, St. Cloud
613 Ontario Ottawa, Kingston
614 Ohio Columbus, Marietta
615 Tennessee Nashville, Fayetteville
616 Michigan Grand Rapids, Kalamazoo, Traverse City
617 Massachusetts Boston, Cape Cod
618 Illinois Carbondale, East St. Louis
619 California San Diego, Bridgeport
630 Illinois Chicago, Waukegan
701 North Dakota all locations
702 Nevada all locations
703 Virginia Arlington
704 North Carolina Charlotte, Asheville
705 Ontario Sault Ste. Marie, North Bay
706 Georgia Augusta, Athens
707 California Vallejo, Ukiah, Santa Rosa
708 Illinois Evanston, Waukegan
709 Newfoundland all locations
712 Iowa Sioux City, Council Bluffs
713 Texas Houston
714 California Anaheim, San Clemente
715 Wisconsin Eau Claire, La Crosse
716 New York Rochester, Buffalo
717 Pennsylvania Harrisburg, Scranton
718 New York Brooklyn, Bronx
719 Colorado Colorado Springs, Pueblo
770 Georgia Marietta, Tucker
800 Toll-free calls
801 Utah all locations
802 Vermont all locations
803 South Carolina all locations
804 Virginia Richmond, Hampton
805 California Bakersfield, Ventura
806 Texas Lubbock, Amarillo
807 Ontario Ft. William, Thunder Bay
808 Hawaii all locations
809 Carribean Islands
810 Michigan Flint, Royal Oak
812 Indiana Evansville, Bloomington
813 Florida Tampa, St. Petersburg
814 Pennsylvania Erie, Altoona
815 Illinois Rockford, Joliet
816 Missouri Kansas City, Alexandria
817 Texas Ft. Worth, Abilene
818 California Pasadena, San Fernando
819 Quebec Sherbrooke, Noranda
860 Connecticut Hartford, New London
864 South Carolina Greenville, Spartanburg
888 Toll-free calls
901 Tennessee Memphis, Jackson
902 Nova Scotia/Price Edward Island
903 Texas Tyler, Paris
904 Florida Jacksonville, Daytona Beach
905 Ontario Mississauga
906 Michigan Upper Peninsula
907 Alaska all locations
908 New Jersey Woodbridge
909 California Riverside, Banning
910 North Carolina Greensboro, New Bern
912 Georgia Macon, Savannah
913 Kansas Topeka, Lawrence
914 New York White Plains, New Rochelle
915 Texas El Paso
916 California Sacramento, Redding
917 New York New York City cellular
918 Oklahoma Tulsa, Muskogee
919 North Carolina Raleigh
941 Florida Sarasota, Naples
970 Colorado Aspen, Vail, Ft. Collins
972 Texas Dallas
Mexico's international calling code is 52
Acapulco 74
Cabo San Lucas 114
Ensenada 617
La Paz (Tampico) 682
La Paz (Matehuala) 682
Los Mochis 681
Mazatlan 69
Mexicali 65
Mexico City 5
Monterrey 8
Tijuana 66
Veracruz 29
International Country Codes
Australia 61
Belgium 32
Brazil 55
Cambodia 855
Chile 56
China 86
Costa Rica 506
Denmark 45
Ecuador 593
Egypt 20
El Salvador 503
Ethopia 372
Finland 358
France 33
Germany 49
Greece 30
Guam 671
Guantanamo Bay 5399
Guatemala 502
Haiti 509
Honduras 504
Hong Kong 852
Iceland 354
India 91
Ireland 353
Israel 972
Italy 39
Japan 81
Netherlands 31
New Zealand 64
Nicaragua 505
Norway 47
Panama 507
Peru 51
Philippines 63
Poland 48
Russia 7
Singapore 65
Spain 34
Sweden 46
Switzerland 41
Taiwan 886
United Kingdom 44
Uruguay 598
Venezuela 58
Zaire 243
version 1.01 ~ ~ 05apr96