| Area Code | Region | Timezone Offset (from UTC) | Description |
|---|---|---|---|
| 201 | NJ | -5 | N New Jersey: Jersey City, Hackensack (see split 973, overlay 551) |
| 202 | DC | -5 | Washington, D.C. |
| 203 | CT | -5 | Connecticut: Bridgeport, New Haven (see 860) |
| 204 | MB | -6 | Canada: Manitoba |
| 205 | AL | -6 | Central Alabama (including Birmingham; excludes the southeastern corner of Alabama and the deep south; see splits 256 and 334) |
| 206 | WA | -8 | W Washington state: Seattle and Bainbridge Island (see splits 253, 360, 425; overlay 564) |
| 207 | ME | -5 | Maine |
| 208 | ID | -7 | Idaho |
| 209 | CA | -8 | Cent. California: Stockton (see 559) |
| 210 | TX | -6 | S Texas: San Antonio (see also splits 830, 956) |
| 211 | -- | -- | Local community info / referral services |
| 212 | NY | -5 | New York City, New York (Manhattan; see 646, 718) |
| 213 | CA | -8 | S California: Los Angeles (see 310, 323, 626, 818) |
| 214 | TX | -6 | Texas: Dallas Metro (overlays 214/469/972) |
| 215 | PA | -5 | SE Pennsylvania: Philadelphia (see overlays 267, 445) |
| 216 | OH | -5 | Cleveland (see splits 330, 440) |
| 217 | IL | -6 | Cent. Illinois: Springfield |
| 218 | MN | -6 | N Minnesota: Duluth |
| 219 | IN | -5 | NW Indiana: Gary (see 260, split 574, 260) |
| 224 | IL | -6 | Northern NE Illinois: Evanston, Waukegan, Northbrook (overlay on 847, eff 1/5/2002) |
| 225 | LA | -6 | Louisiana: Baton Rouge, New Roads, Donaldsonville, Albany, Gonzales, Greensburg, Palquemine, Vacherie |
| 228 | MS | -6 | S Mississippi (coastal areas, Biloxi, Gulfport; split from 601) |
| 229 | GA | -5 | SW Georgia: Albany (split from 912; see also 478; perm 8/1/00) |
| 231 | MI | -5 | W Michigan: Northwestern portion of lower Peninsula; Traverse City, Muskegon, Cheboyhan (eff 99/06/05; see 616) |
| 234 | OH | -5 | NE Ohio: Canton, Akron (overlaid on 330; perm 10/30/00) |
| 236 | VA | -5 | Virginia (region unknown) / Unassigned? |
| 239 | FL | -5 | Florida (Lee, Collier, and Monroe Counties, excl the Keys; see 305) |
| 240 | MD | -5 | W Maryland: Silver Spring, Frederick (overlay, see 301) |
| 242 | -- | -5 | Bahamas |
| 246 | -- | -4 | Barbados |
| 248 | MI | -5 | Michigan: Oakland county (split from 810) |
| 250 | BC | -8 | Canada: British Columbia (see 604) |
| 251 | AL | -6 | S Alabama: Mobile (incl Auburn/Opelika, Montgomery, Mobile and coastal areas; split from 334, eff 6/18/01; see also 205, 256) |
| 252 | NC | -5 | E North Carolina (Rocky Mount; split from 919) |
| 253 | WA | -8 | Washington: South Tier - Tacoma, Federal Way (split from 206, see also 425; overlay 564) |
| 254 | TX | -6 | Central Texas (Waco, Stephenville; split, see 817, 940) |
| 256 | AL | -6 | E and N Alabama (Huntsville, Florence, Gadsden; split from 205; see also 334) |
| 260 | IN | -5 | NE Indiana: Fort Wayne (see 219) |
| 262 | WI | -6 | SE Wisconsin: counties of Kenosha, Ozaukee, Racine, Walworth, Washington, Waukesha (split from 414) |
| 264 | -- | -4 | Anguilla (split from 809) |
| 267 | PA | -5 | SE Pennsylvania: Philadelphia (see 215) |
| 268 | -- | -4 | Antigua and Barbuda (split from 809) |
| 270 | KY | -6 | W Kentucky: Bowling Green, Paducah (split from 502) |
| 276 | VA | -5 | Northern Virginia: Fredericksburg and Roanoke and nearby areas (see 540; split/overlay unknown; perm 9/1/01, mand 3/16/02) |
| 278 | MI | -5 | Michigan (overlaid on 734, SUSPENDED) |
| 281 | TX | -6 | Texas: Houston Metro (split 713; overlay 832) |
| 283 | OH | -5 | SW Ohio: Cincinnati (overlaid on 513) |
| 284 | -- | -4 | British Virgin Islands (split from 809) |
| 289 | ON | -5 | Canada: S Cent. Ontario: Greater Toronto Area -- Durham, Halton, Hamilton-Wentworth, Niagara, Peel, York, and southern Simcoe County (excluding Toronto -- overlaid on 905, eff 6/9/01) |
| 301 | MD | -5 | W Maryland: Silver Spring, Frederick, Camp Springs, Prince George's County (see 240) |
| 302 | DE | -5 | Delaware |
| 303 | CO | -7 | Central Colorado: Denver (see 970, also 720 overlay) |
| 304 | WV | -5 | West Virginia |
| 305 | FL | -5 | SE Florida: Miami, the Keys (see 786, 954; 239) |
| 306 | SK | -6/-7 | Canada: Saskatchewan |
| 307 | WY | -7 | Wyoming |
| 308 | NE | -6 | W Nebraska: North Platte |
| 309 | IL | -6 | W Cent. Illinois: Peoria |
| 310 | CA | -8 | S California: Beverly Hills, West Hollywood, West Los Angeles (see split 562; overlay 424 -- approval denied) |
| 311 | -- | -- | Reserved for special applications |
| 312 | IL | -6 | Illinois: Chicago (downtown only -- in the loop; see 773; overlay 872) |
| 313 | MI | -5 | Michigan: Detroit and suburbs (see 734) |
| 314 | MO | -6 | SE Missouri: St Louis metro area only (see 573, 636, overlay 557) |
| 315 | NY | -5 | N Cent. New York: Syracuse |
| 316 | KS | -6 | S Kansas: Wichita (see split 620) |
| 317 | IN | -6 | Cent. Indiana: Indianapolis (see 765) |
| 318 | LA | -6 | N Louisiana: Shreveport, Ruston, Monroe, Alexandria (see split 337) |
| 319 | IA | -6 | E Iowa: Cedar Rapids (see split 563) |
| 320 | MN | -6 | Cent. Minnesota: Saint Cloud (rural Minn, excl St. Paul/Minneapolis) |
| 321 | FL | -5 | Florida: Brevard County, Cape Canaveral area |
| 323 | CA | -8 | S California: Los Angeles (outside downtown: Hollywood; split from 213) |
| 327 | KY | -5 | Kentucky: Maceo |
| 330 | OH | -5 | NE Ohio: Akron, Canton (see splits 216, 440, overlay 234) |
| 331 | IL | -6 | W NE Illinois, western suburbs of Chicago (part of what used to be 708; overlaid on 630; perm NONE, mand t.b.a.) |
| 334 | AL | -6 | S Alabama: Mobile (incl Auburn/Opelika, Montgomery, Mobile and coastal areas; part of what used to be 205; see also 256, split 251) |
| 336 | NC | -5 | Cent. North Carolina: Greensboro (split from 910) |
| 337 | LA | -6 | SW Louisiana: Lake Charles, Lafayette (see split 318) |
| 339 | MA | -5 | Massachusetts: Boston surburbs, to the south and west (see splits 617, 508; overlaid on 781, eff 5/2/2001) |
| 340 | -- | -4 | US Virgin Islands (see also 809) |
| 341 | CA | -8 | (overlay on 510; SUSPENDED) |
| 345 | -- | -5 | Cayman Islands |
| 347 | NY | -5 | New York (overlay for 718: NYC area, except Manhattan) |
| 351 | MA | -5 | Massachusetts: north of Boston to NH, 508, and 781 (overlaid on 978, eff 4/2/2001) |
| 352 | FL | -5 | Florida: Gainesville area, Ocala, Crystal River (split from 904) |
| 360 | WA | -8 | W Washington State: Olympia, Bellingham (except Seattle area; part of what used to be 206; see overlay 564) |
| 361 | TX | -6 | S Texas: Corpus Christi (split from 512; eff 2/13/99) |
| 369 | CA | -8 | Solano County (perm 12/02/00, mand 06/02/01) |
| 385 | UT | -7 | Utah: Salt Lake City Metro (split from 801, eff 3/30/02; see also 435) |
| 386 | FL | -5 | N central Florida: Lake City (split from 904, perm 2/15/01, mand 11-05-01) |
| 401 | RI | -5 | Rhode Island |
| 402 | NE | -6 | E Nebraska: Omaha, Lincoln |
| 403 | AB | -7 | Canada: Southern Alberta (see 780, 867) |
| 404 | GA | -5 | N Georgia: Atlanta and suburbs (see overlay 678, split 770) |
| 405 | OK | -6 | W Oklahoma: Oklahoma City (see 580) |
| 406 | MT | -7 | Montana |
| 407 | FL | -5 | Centra Florida: Metro Orlando |
| 408 | CA | -8 | Cent. Coastal California: San Jose (see overlay 669) |
| 409 | TX | -6 | SE Texas: Galveston, Port Arthur (splits 936, 979) |
| 410 | MD | -5 | E Maryland: Baltimore, Annapolis, Chesapeake Bay area, Ocean City (see 443) |
| 411 | -- | -- | Reserved for special applications |
| 412 | PA | -5 | W Pennsylvania: Pittsburgh (see split 724, overlay 878) |
| 413 | MA | -5 | W Massachusetts: Springfield |
| 414 | WI | -6 | SE Wisconsin: Milwaukee county (see splits 920, 262) |
| 415 | CA | -8 | San Francisco, California (see 650) |
| 416 | ON | -5 | Canada: S Cent. Ontario: Toronto (see overlay 647, eff 3/5/01) |
| 417 | MO | -6 | SW Missouri: Springfield |
| 418 | QC | -5/-4 | Canada: NE Quebec: Quebec |
| 419 | OH | -5 | NW Ohio: Toledo (see overlay 567, perm 1/1/02) |
| 420 | WI | -6 | Wisconsin (not sure what area / split) |
| 423 | TN | -5 | E Tennessee: Chattanooga (see split 865; part of what used to be 615) |
| 424 | CA | -8 | S California: Los Angeles (see split 562; overlaid on 310 PENDING) |
| 425 | WA | -8 | Washington: North Tier - Everett, Bellevue (split from 206, see also 253; overly 564) |
| 434 | VA | -5 | E Virginia: Charlottesville, Lynchburg, Danville, South Boston, and Emporia (split from 804, eff 6/1/01; see also 757) |
| 435 | UT | -7 | Rural Utah outside Salt Lake City metro (see split 801) |
| 440 | OH | -5 | Ohio: Cleveland metro area, excluding Cleveland (split from 216, see also 330) |
| 441 | -- | -4 | Bermuda (part of what used to be 809) |
| 442 | CA | -8 | Far north suburbs of San Diego (Oceanside, Escondido, SUSPENDED -- originally perm 10/21/00, mand 04/14/01) |
| 443 | MD | -5 | E Maryland: Baltimore, Annapolis, Chesapeake Bay area, Ocean City (overlaid on 410) |
| 445 | PA | -5 | SE Pennsylvania: Philadelphia (overlaid on 215, eff 5/1/01; see also 267) |
| 450 | QC | -5/-4 | Canada: Southeastern Quebec outside metro Montreal |
| 456 | -- | -- | Inbound International |
| 464 | IL | -6 | Illinois: south suburbs of Chicago (see 630; overlaid on 708) |
| 469 | TX | -6 | Texas: Dallas Metro (overlays 214/469/972) |
| 470 | GA | -5 | Georgia: Greater Atlanta Metropolitan Area (overlaid on 404/770/678; mand 9/2/01) |
| 473 | -- | -4 | Grenada ("new" -- split from 809) |
| 475 | CT | -5 | Connecticut: New Haven, Greenwich, southwestern (perm 01/06/01; mand 03/01/01???) |
| 478 | GA | -5 | Central Georgia: Macon (split from 912; see also 229; perm 08/01/00; mand 08/01/01) |
| 479 | AR | -6 | NW Arkansas: Fayetteville, Springdale, Bentonville (split from 501, perm 01/19/02, mand 07/20/02) |
| 480 | AZ | -7 | East Phoenix Arizona (see 520; also Phoenix split 602, 623) |
| 484 | PA | -5 | SE Pennsylvania: Allentown, Reading (see 610) |
| 500 | -- | -- | Personal Communication Service |
| 501 | AR | -6 | N Arkansas (see split 479) |
| 502 | KY | -5 | N Central Kentucky: Louisville (see 270) |
| 503 | OR | -8 | Oregon (see 541, 971) |
| 504 | LA | -6 | E Louisiana: New Orleans metro area (see split 985) |
| 505 | NM | -7 | New Mexico |
| 506 | NB | -4 | Canada: New Brunswick |
| 507 | MN | -6 | S Minnesota: Rochester |
| 508 | MA | -5 | Cent. Massachusetts: Framingham; Cape Cod (see split 978, overlay 774) |
| 509 | WA | -8 | E Washington state: Spokane |
| 510 | CA | -8 | California: Oakland, East Bay (see 925) |
| 511 | -- | -- | Reserved for special applications |
| 512 | TX | -6 | S Texas: Austin (see split 361; overlay 737, perm 11/10/01) |
| 513 | OH | -5 | SW Ohio: Cincinnati (see overlay 283, split 937) |
| 514 | QC | -5 | Canada: SW Quebec: Montreal |
| 515 | IA | -6 | Cent. Iowa: Des Moines (see split 641) |
| 516 | NY | -5 | New York: Nassau County, Long Island; Hempstead (see split 631) |
| 517 | MI | -5 | Cent. Michigan: Lansing (see split 989) |
| 518 | NY | -5 | NE New York: Albany |
| 519 | ON | -5 | Canada: SW Ontario: Windsor |
| 520 | AZ | -7 | SE Arizona: Tucson area, Yuma (split from 602; see split 928) |
| 530 | CA | -8 | NE California: Chico, Redding, Marysville, Nevada City/Grass Valley (split from 916) |
| 540 | VA | -5 | Northern Virginia: Fredericksburg and Roanoke and nearby areas (see 276; split/overlay unknown) |
| 541 | OR | -8 | Oregon: Eugene, Medford (split from 503; 503 retains NW part [Portland/Salem], all else moves to 541) |
| 546 | MI | -5 | E Michigan: Flint, Pontiac (overlaid on 810, perm 9/22/01; see also 248) |
| 551 | NJ | -5 | N New Jersey: Jersey City, Hackensack (overlaid on 201) |
| 557 | MO | -6 | SE Missouri: St Louis metro area only (overlaid on 314) |
| 559 | CA | -8 | Central California: Fresno (see 209) |
| 561 | FL | -5 | S. Central Florida: Palm Beach County (West Palm Beach, Boca Raton, Vero Beach; see split 772, eff 2/11/02; mand 11/11/02) |
| 562 | CA | -8 | California: Long Beach, Brea (split from 310 Los Angeles) |
| 563 | IA | -6 | E Iowa: Davenport, Dubuque (split from 319, eff 3/25/01) |
| 564 | WA | -8 | W Washington State: Olympia, Bellingham (overlaid on 360; perm 02/03/01; see also 206, 253, 425) |
| 567 | OH | -5 | NW Ohio: Toledo (overlaid on 419, perm 1/1/02) |
| 570 | PA | -5 | NE and N Central Pennsylvania: Wilkes-Barre, Scranton (see 717) |
| 571 | VA | -5 | Northern Virginia: Arlington, McLean, Tysons Corner (to be overlaid on 703 3/1/2000; see earlier split 540) |
| 573 | MO | -6 | SE Missouri: excluding St Louis metro area, includes Central/East Missouri |
| 574 | IN | -5 | N Indiana (split from 219) |
| 580 | OK | -6 | W Oklahoma (rural areas outside Oklahoma City; split from 405) |
| 585 | NY | -5 | NW New York: Rochester (split from 716) |
| 586 | MI | -5 | Michigan: Macomb County (split from 810; perm 9/22/01, mand 3/23/02) |
| 590 | -- | -4 | French West Indies Carribean Islands: St. Barthelemy (French), St. martin (Dutch & French) (time zones?) |
| 600 | -- | -- | Canadian Services |
| 601 | MS | -6 | Mississippi: Jackson area (see splits 228, 662) |
| 602 | AZ | -7 | Phoenix Arizona (see 520; also Phoenix split 480, 623) |
| 603 | NH | -5 | New Hampshire |
| 604 | BC | -8 | Canada: British Columbia: Greater Vancouver (overlay 778, perm 11/3/01; see 250) |
| 605 | SD | -6/-7 | South Dakota |
| 606 | KY | -5/-6 | E Kentucky: area east of Frankfort: Ashland (see 859) |
| 607 | NY | -5 | S Cent. New York: Ithaca, Binghamton |
| 608 | WI | -6 | SW Wisconsin: Madison |
| 609 | NJ | -5 | S New Jersey: Trenton (see 856) |
| 610 | PA | -5 | SE Pennsylvania: Allentown, Reading (see overlays 484, 835) |
| 611 | -- | -- | Reserved for special applications |
| 612 | MN | -6 | Cent. Minnesota: Minneapolis (split from St. Paul, see 651; see splits 763, 952)< |