Area code listing
Below, is a listing of area codes United States of America, Canada, and other countries. Related area codes are area codes that have been split, overlay, or otherwise relate. In addition, this page also lists all unassigned and future area codes. To find your area code scroll down or click on one of the below area code number ranges link.
200, 300, 400, 500, 600, 700, 800, 900
| Area code | State | Location | Related |
| 000 | This is an outbound-only area code sometimes used by telemarketers and VoIP calls. | ||
| 001-200 | Invalid area code range | ||
| 200 area codes | |||
| 201 | NJ | N New Jersey: Jersey City, Hackensack | 551 |
| 202 | DC | Washington, D.C. | |
| 203 | CT | Connecticut | 475, 860 |
| 204 | MB | Manitoba Canada | |
| 205 | AL | Central and Western Alabama | 256, 334 |
| 206 | WA | W. Washington state: Seattle | 253, 360, 425 |
| 207 | ME | Maine | |
| 208 | ID | Idaho | |
| 209 | CA | Central California | 559, 916 |
| 210 | TX | San Antonio S. Texas | 512, 830, 956 |
| 211 | Unassigned area code | ||
| 212 | NY | New York City, New York | 646, 718, 917 |
| 213 | CA | Los Angeles California | 323 |
| 214 | TX | Dallas Texas | 469, 972 |
| 215 | PA | Philadelphia Pennsylvania | 267 |
| 216 | OH | Cleveland | 330, 440 |
| 217 | IL | Central Illinois | |
| 218 | MN | North Minnesota | |
| 219 | IN | North Indiana | |
| 220-223 | 220, 221, 222, and 223 are unassigned area codes | ||
| 224 | IL | Northern Northeast Illinois | 224, 847 |
| 225 | LA | Louisiana: Baton Rouge, New Roads, Donaldsonville, Albany, Gonzales, Greensburg, Plaquemine, Vacherie | 504 |
| 226 | ON | Southwest Ontario Canada | 519 |
| 227 | Future area code for Maryland | ||
| 228 | MS | South Mississippi (Gulf Coast) | 601 |
| 229 | GA | Southwest Georgia | 912, 478 |
| 230 | Unassigned area code | ||
| 231 | MI | Michigan | 248, 810 |
| 232,233 | Unassigned area codes | ||
| 234 | OH | Northeast Ohio | 330 |
| 235 | Unassigned area code | ||
| 236 | VA | Virginia | |
| 237,238 | Unassigned area codes | ||
| 239 | FL | Southwest Florida | 305 |
| 240 | MD | Greater Washington D.C. metro and southern Maryland. | 301 |
| 241 | Unassigned area code | ||
| 242 | Bahamas | ||
| 243-245 | 243, 244, and 245 are unassigned area codes | ||
| 246 | Barbados | ||
| 247 | Unassigned area code | ||
| 248 | MI | Michigan: Oakland county | 231, 810, 947 |
| 249 | ON | Ontario Canada | |
| 250 | BC | British Columbia | 604 |
| 251 | AL | Southwestern Alabama | 205, 256, 334 |
| 252 | NC | Northeastern North Carolina | 919 |
| 253 | WA | South Washington | 206, 425, 564 |
| 254 | TX | Central Texas in the Waco area | 817, 940 |
| 255 | Unassigned area code | ||
| 256 | AL | Northeast Alabama in the Huntsville, Decatur area | 205, 334, 938 |
| 257-259 | 257, 258, and 259 are unassigned area codes | ||
| 260 | IN | Northeast Indiana | 219 |
| 261 | Unassigned area code | ||
| 262 | WI | Southeastern Wisconsin, surrounding Milwaukee | 414, 920 |
| 263 | Unassigned area code | ||
| 264 | Anguilla | 809 | |
| 265,266 | Unassigned area codes | ||
| 267 | PA | Southeast Pennsylvania: Philadelphia | 215 |
| 268 | Antigua and Barbuda | 809 | |
| 269 | MI | Southwest Michigan | 616 |
| 270 | KY | West Kentucky | 364, 502 |
| 271 | Unassigned area code | ||
| 272 | Future area code for Pennsylvania | ||
| 273 | Unassigned area code | ||
| 274 | Future area code for Wisconsin | ||
| 275 | Unassigned area code | ||
| 276 | VA | South Virginia | 540 |
| 277-280 | 277, 278, 279, and 280 are unassigned area codes | ||
| 281 | TX | Texas: Houston Metro | 713, 832 |
| 282 | Unassigned area code | ||
| 283 | Future area code for Ohio | ||
| 284 | British Virgin Islands | 809 | |
| 285-288 | 285, 286, 287, and 288 are unassigned area codes | ||
| 289 | ON | South Central Canada | 905 |
| 290-300 | 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, and 300 are unassigned area codes | ||
| 300 area codes | |||
| 301 | MD | W Maryland: Silver Spring, Frederick | 240 |
| 302 | DE | Delaware | |
| 303 | CO | Central Colorado: Denver, Boulder, Longmont, Aurora | 720 |
| 304 | WV | West Virginia | 681 |
| 305 | FL | Southeast Florida: Miami | 239, 786, 954 |
| 306 | SK | Saskatchewan Canada | |
| 307 | WY | Wyoming | |
| 308 | NE | West Nebraska | |
| 309 | IL | West Central Illinois | |
| 310 | CA | South California: West Los Angeles and South Bay | 424, 562 |
| 311 | Reserved / Municipal Assistance. | ||
| 312 | IL | Chicago, Illinois (Downtown only) | 773, 872 |
| 313 | MI | Detroit Michigan and suburbs | 248, 586, 734, 810 |
| 314 | MO | Missouri: Independent city of St Louis and neighboring counties | 618, 636 |
| 315 | NY | North Central upstate New York | |
| 316 | KS | Wichita, Kansas | 620 |
| 317 | IN | Central Indiana | 765 |
| 318 | LA | Northern Louisiana | 337, 504 |
| 319 | IA | East-central and southeast Iowa | |
| 320 | MN | Central Minnesota | |
| 321 | FL | Florida: Brevard County | 407 |
| 322 | Unassigned area code | ||
| 323 | CA | Central Los Angeles California, excluding downtown Los Angeles | 213 |
| 324 | Unassigned area code | ||
| 325 | TX | Central Texas in the Abilene and San Angelo areas | 915 |
| 326 | Unassigned area code | ||
| 327 | Future area code for Arkansas | ||
| 328,329 | Unassigned area codes | ||
| 330 | OH | Northeast Ohio: Akron, Canton, and Youngstown area | 216, 234, 440 |
| 331 | IL | Northeast Illinois, covering parts of Chicago's western suburbs | 630, 708 |
| 332,333 | Unassigned area codes | ||
| 334 | AL | South Alabama | 251 |
| 335 | Unassigned area code | ||
| 336 | NC | Central North Carolina, mainly Piedmont Triad region | 910 |
| 337 | LA | Southwestern Louisiana | 318 |
| 338 | Unassigned area code | ||
| 339 | MA | Massachusetts: Boston and most of the South Shore | 781 |
| 340 | US Virgin Islands | 809 | |
| 341,342 | Unassigned area codes | ||
| 343 | Ontario, Canada | ||
| 344 | Unassigned area code | ||
| 345 | Cayman Islands | ||
| 346 | Unassigned area code | ||
| 347 | NY | New York: Brooklyn, Queens, the Bronx, Staten Island, sections of Manhattan | 718, 917 |
| 348-350 | 348, 349, 350 are unassigned area codes | ||
| 351 | MA | North Massachusetts | 508, 781, 978 |
| 352 | FL | Florida | 904 |
| 353-359 | 353, 354, 355, 356, 357, 358, and 359 are unassigned area codes | ||
| 360 | WA | Western Washington State outside Seattle | 206 |
| 361 | TX | Texas: in the Corpus Christi area | 512 |
| 362, 263 | Unassigned area codes | ||
| 364 | Purposed area code for Kentucky | ||
| 365 | Future area code for Ontario | ||
| 366-368 | 366, 367, and 368 are unassigned area codes | ||
| 369 | Future area code for California | ||
| 370-379 | 370, 371, 372, 373, 374, 375, 376, 377, 378, and 379 are unassigned area codes | ||
| 380 | Future area code for Ohio | ||
| 381-384 | 381, 382, and 384 are unassigned area codes | ||
| 385 | UT | Utah | 435, 801 |
| 386 | FL | Florida: Columbia, Flagler, Hamilton, Lafayette, and Daytona Beach | 904 |
| 387-400 | 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, and 400 are unassigned area codes | ||
| 400 area codes | |||
| 401 | RI | Rhode Island | |
| 402 | NE | East Nebraska | 531 |
| 403 | AB | Alberta | 780, 867 |
| 404 | GA | Georgia: Atlanta and its immediate neighbors | 229, 470, 912 |
| 405 | OK | Oklahoma City metro | 580, 918 |
| 406 | MT | Montana | |
| 407 | FL | Florida: Orlando metro including Orange, Osceola, and Seminole | |
| 408 | CA | California: Cupertino, Los Gatos, Milpitas, Sunnyvale, Santa Clara, and San Jose area. | 415 |
| 409 | TX | Southeast Texas: Beaumont and Galveston areas | 936 |
| 410 | MD | East Maryland | 443 |
| 411 | Not an area code - information | 511, 911 | |
| 412 | PA | West Pennsylvania: Most Allegheny including Pittsburgh | 724, 878 |
| 413 | MA | Western Massachusetts | |
| 414 | WI | Southeast Wisconsin: Milwaukee | 262, 920 |
| 415 | CA | California: San Francisco and northern suburbs | 408, 650 |
| 416 | ON | Canada: Metropolitan Toronto | 647 |
| 417 | MO | Southwestern Missouri: Branson, Carl Junction, Carthage, Joplin, and Springfield | |
| 418 | QC | Northeast Quebec | |
| 419 | OH | Northwest and north central Ohio: Toledo | 567 |
| 420-422 | 420, 421, and 422 are unassigned area codes | ||
| 423 | TN | East Tennessee | 615, 865 |
| 424 | CA | Los Angeles, South California | 310, 562 |
| 425 | WA | North Washington and east of Seattle | 206, 253, 564 |
| 426-429 | 426, 427, 428, and 429 are unassigned area codes | ||
| 430 | TX | Northeast Texas including Texarkana, Tyler, and Sherman | 903 |
| 431 | Future area code for Manitoba | ||
| 432 | TX | West Texas in the Permian Basin area | 915 |
| 433 | Unassigned area code | ||
| 434 | VA | East Virginia | 804 |
| 435 | UT | Utah outside Salt Lake City, Ogden, and Provo | 801 |
| 436 | Unassigned area code | ||
| 437 | Future area code for Ontario | ||
| 438 | QC | Canada: Southwest Quebec | 514 |
| 439 | Unassigned area code | ||
| 440 | OH | Ohio: Cleveland metro area, excluding Cleveland | 216, 330 |
| 441 | Bermuda | 809 | |
| 442 | CA | Southeastern California | 760 |
| 443 | MD | East Maryland | 410 |
| 444-446 | 444, 445, and 446 are unassigned area codes | ||
| 447 | Future area code for Illinois | ||
| 448, 449 | Unassigned area codes | ||
| 450 | QC | Southeastern Quebec outside metro Montreal | |
| 451-455 | 451, 452, 453, 454, and 455 are unassigned area codes | ||
| 456 | International Inbound | ||
| 457 | Unassigned area code | ||
| 458 | OR | Oregon: All but northeast corner | 541 |
| 459-463 | 459, 460, 461, 462, and 463 are unassigned area codes | ||
| 464 | IL | Future area code for Illinois | |
| 465-468 | 465, 466, 467, and 468 are unassigned area codes | ||
| 469 | TX | Texas | 214, 972 |
| 470 | GA | Georgia | 404, 678, 770 |
| 471, 472 | Unassigned area codes | ||
| 473 | Grenada | 809 | |
| 474 | Unassigned area codes | ||
| 475 | CT | Connecticut | |
| 476, 477 | Unassigned area codes | ||
| 478 | GA | Georgia: covering Macon and Middle Georgia | 229, 912 |
| 479 | AR | Northwest Arkansas: including Fort Smith, Fayetteville, Springdale, Gravette, Rogers, and Eureka Springs | 501 |
| 480 | AZ | Arizona | 602, 623 |
| 481-483 | 481, 482, and 483 are unassigned area codes | ||
| 484 | PA | Southeast Pennsylvania: Allentown, Bethlehem, and Reading | 610, 835 |
| 485-499 | 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, and 499 are unassigned area codes | ||
| 500 area codes | |||
| 500 | Personal Communications Services | 533, 544 | |
| 501 | AR | Central Arkansas including Little Rock | 870 |
| 502 | KY | West Kentucky: Louisville and Frankfort | 270 |
| 503 | OR | Oregon: Portland, Salem, McMinnville, Tillamook and other northwestern locations | 971 |
| 504 | LA | Louisiana: greater New Orleans | 225, 985, 318 |
| 505 | NM | New Mexico | 575 |
| 506 | NB | New Brunswick Canada | |
| 507 | MN | South Minnesota: Rochester, Mankato, Worthington, Fairmont, and Austin | |
| 508 | MA | Southcentral Massachusetts: Framingham | 774 |
| 509 | WA | East Washington: Spokane, the Tri-Cities, Yakima, Walla Walla, and Wanatchee | |
| 510 | CA | California: Oakland, East Bay | 925 |
| 511 | Travel information line. | ||
| 512 | TX | Texas: In and near Austin | |
| 513 | OH | Southwest Ohio | 937 |
| 514 | QC | Southwest Quebec: Montreal | 438 |
| 515 | IA | Central Iowa: Ames, Ankeny, Des Moines, Boone, Fort Dodge, and Indianola | 641 |
| 516 | NY | New York: Nassau county on Long Island and Hempstead | 631 |
| 517 | MI | Central Michigan | 989 |
| 518 | NY | Northeast New York: Mohawk Valley to East of Albany | |
| 519 | ON | Southwest Ontario: Windsor | 226 |
| 520 | AZ | Arizona outside the Phoenix area | 602, 928 |
| 521-529 | 521, 522, 523, 524, 525, 526, 527, 528, and 529 are unassigned area codes | ||
| 530 | CA | Northeast California: Auburn, Chico, Colfax, Davis, Redding, Yuba City, and Red Bluff | 916 |
| 531 | NE | East Nebraska | 402 |
| 532 | Unassigned area code | ||
| 533 | Personal Communications Services | 500, 544 | |
| 534 | WI | North Wisconsin | 715 |
| 535-538 | 535, 537, and 538 are unassigned area codes | ||
| 539 | OK | Oklahoma | 918 |
| 540 | VA | Northwest Virginia: Fredericksburg and Roanoke and nearby areas | 571, 703 |
| 541 | OR | All of Oregon except northwest portion | 458 |
| 542, 543 | Unassigned area codes | ||
| 544 | Personal Communications Services | 500, 533 | |
| 545-550 | 545, 546, 547, 548, 549, and 550 are unassigned area codes | ||
| 551 | NJ | North New Jersey | 201 |
| 552-556 | 552, 553, 554, 555, and 556 are unassigned area codes | ||
| 557 | Future area code for Missouri | ||
| 558 | Unassigned area code | ||
| 559 | CA | Central California: Fresno, Kings, and Tulare | 209 |
| 560 | Unassigned area code | ||
| 561 | FL | Florida: Palm Beach County | 407 |
| 562 | CA | Southeastern California: Los Angeles County and Northern Orange County | 310 |
| 563 | IA | East Iowa | 319 |
| 564 | Future area code for Washington | ||
| 565,566 | Unassigned area codes | ||
| 567 | OH | Northwest Ohio | 419 |
| 568, 569 | Unassigned area codes | ||
| 570 | PA | Northeast Pennsylvania: Williamsport, Wilkes-Barre, Scranton, and Sayre | 717 |
| 571 | VA | North Virginia | 540, 703 |
| 572 | Unassigned area code | ||
| 573 | MO | Missouri: excluding St Louis metro area | |
| 574 | IN | North Indiana | 219 |
| 575 | NM | New Mexico, outside of the Albuquerque, Santa Fe, Farmington, and Gallup areas | 505 |
| 576-578 | 576, 577, and 578 are unassigned area codes | ||
| 579 | QC | Quebec, Canada | |
| 580 | OK | Western and Southern Oklahoma | 405 |
| 581 | QC | Quebec, Canada | |
| 582 | Future area code for Pennsylvania | ||
| 583,584 | Unassigned area codes | ||
| 585 | NY | Northwest New York: Rochester | 716 |
| 586 | MI | Michigan: Macomb County in the Metro Detroit area | 810 |
| 587 | Alberta, Canada | ||
| 588-599 | 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, and 599 are unassigned area codes | ||
| 600 area codes | |||
| 600 | Canadian Services | ||
| 601 | MS | Central Mississippi | 769 |
| 602 | AZ | Arizona: Most of Phoenix | 480, 623 |
| 603 | NH | New Hampshire | |
| 604 | BC | Canada: British Columbia, Greater Vancouver | 250, 778 |
| 605 | SD | South Dakota | |
| 606 | KY | East Kentucky: Ashland Hazard, Manchester, Somerset, London, Corbin, and other eastern parts of Kentucky | 859 |
| 607 | NY | New York South Central: Ithaca, Binghamton | |
| 608 | WI | Southwest Wisconsin: Madison | |
| 609 | NJ | South New Jersey: Trenton and Atlantic City | 856 |
| 610 | PA | Southeast Pennsylvania: Allentown, Reading | 484, 835 |
| 611 | Unassigned area code | ||
| 612 | MN | Central Minnesota, Minneapolis and some surrounding areas | 651, 763, 952 |
| 613 | ON | Canada: Southeast Ontario, Ottawa | |
| 614 | OH | Southeast Ohio: Columbus | 380, 740 |
| 615 | TN | East Tennessee: Nashville | 423, 931 |
| 616 | MI | West Michigan: Grand Rapids | 269 |
| 617 | MA | East Massachusetts: Boston | 857 |
| 618 | IL | South Illinois | |
| 619 | CA | South California: Southern half of San Diego | 760, 858, 935 |
| 620 | KS | South Kansas excluding Wichita Metropolitan Area | 316 |
| 621, 622 | Unassigned area codes | ||
| 623 | AZ | Arizona | 480, 520, 602 |
| 624, 625 | Unassigned area codes | ||
| 626 | CA | Southeast California: most San Gabriel Valley and northeastern portions of Los Angeles County | 818 |
| 627 | Future area code for California | ||
| 628 | Future area code for California | ||
| 629 | Unassigned area code | ||
| 630 | IL | Northeast Illinois, Oak Brook or Chicago suburbs | 312, 331, 708 |
| 631 | NY | New York: Suffolk County | 516 |
| 632-635 | 632, 633, 634, and 635 are unassigned area codes | ||
| 636 | MO | East-central Missouri | 314, 573 |
| 637, 638 | Unassigned area codes | ||
| 639 | Future area code for Saskatchewan | ||
| 640 | Unassigned area code | ||
| 641 | IA | Central Iowa: Mason City and Ottumwa | 515 |
| 642-645 | 642, 643, and 644 are unassigned area codes | ||
| 646 | NY | Manhattan New York | 212, 917 |
| 647 | ON | South Central Ontario | 416 |
| 648 | Unassigned area code | ||
| 649 | Turks and Caicos Islands | ||
| 650 | CA | Peninsula south of San Francisco -- San Mateo county, parts of Santa Clara county | 415 |
| 651 | MN | East-Central Minnesota, St. Paul | 612, 763, 952 |
| 652-656 | 652, 653, 654, 544, and 656 are unassigned area codes | ||
| 657 | CA | Orange County, California | 714 |
| 658 | Unassigned area code | ||
| 659 | Future area code for Alabama | ||
| 660 | MO | Northern and Western Missouri | 816 |
| 661 | CA | California: N. Los Angeles, Mckittrick, Mojave, Newhall, Oildale, Palmdal, Taft, Tehachapi, Bakersfield, Earlimart, Lancaster | 805 |
| 662 | MS | Mississippi | 601 |
| 663 | Unassigned area code | ||
| 664 | Montserrat | 809 | |
| 665, 666 | Unassigned area codes | ||
| 667 | Future area code for Maryland | ||
| 668 | Unassigned area code | ||
| 669 | Future area code for California | ||
| 670 | Commonwealth of the Northern Mariana Islands | ||
| 671 | Guam | ||
| 672-677 | 672, 673, 674, 675, 676, and 677 are unassigned area codes | ||
| 678 | GA | North Georgia: Atlanta | 404, 470, 770 |
| 679 | Future area code for Michigan | ||
| 680 | Unassigned area code | ||
| 681 | WV | West Virginia | 304 |
| 682 | TX | Fort Worth Texas | 817 |
| 683 | Unassigned area code | ||
| 684 | American Samoa | ||
| 685-688 | 685, 686, 687, and 688 are unassigned area codes | ||
| 689 | Future area code for Florida | ||
| 690-699 | 690, 691, 692, 693, 694, 695, 696, 697 698, and 699 are unassigned area codes | ||
| 700 area codes | |||
| 700 | Interconnect Services | ||
| 701 | ND | North Dakota | |
| 702 | NV | South Nevada: Las Vegas | 775 |
| 703 | VA | Northern Virginia: Arlington, McLean, Tysons Corner | 540, 571 |
| 704 | NC | West North Carolina: Charlotte | |
| 705 | ON | Canada: Northwest Ontario, Sault Ste. Marie | |
| 706 | GA | North and Northeast Georgia: Columbus, Augusta | 762 |
| 707 | CA | Northwest California: Santa Rosa | |
| 708 | IL | Illinois: western and southern Cook County | 464, 630, 847 |
| 709 | NF | Canada Newfoundland | |
| 710 | US Government | ||
| 711 | Unassigned area code | ||
| 712 | IA | West Iowa | |
| 713 | TX | Mid Southeast Texas: Houston | 281, 832 |
| 714 | CA | North Orange County, California | 657, 949 |
| 715 | WI | North Wisconsin | 534 |
| 716 | NY | Western New York: Buffalo, Rochester | 585 |
| 717 | PA | Southcentral Pennsylvania: Wilkes-Barre, Scranton | |
| 718 | NY | New York City, New York, the Bronx, Queens, Brooklyn, and Staten Island | 212, 347 |
| 719 | CO | Southeast Colorado: Pueblo, Colorado Springs | |
| 720 | CO | Central Colorado: Denver | 303 |
| 721 | Former Netherlands Antilles | ||
| 722, 723 | Unassigned area codes | ||
| 724 | PA | Southwest Pennsylvania | 412, 878 |
| 725, 726 | Unassigned area codes | ||
| 727 | FL | Florida: Tampa Metro, Saint Petersburg, and Clearwater | 813 |
| 728, 729 | Unassigned area codes | ||
| 730 | Future area code for Illinois | ||
| 731 | TN | West Tennessee | 901 |
| 732 | NJ | Central New Jersey: New Brunswick, Bound Brook | 848, 908 |
| 733 | Unassigned area code | ||
| 734 | MI | Southeast Michigan: west and south of Detroit -- Ann Arbor, Monroe | 313 |
| 735, 736 | Unassigned area codes | ||
| 737 | Future area code for Texas | ||
| 738, 739 | Unassigned area codes | ||
| 740 | OH | Southeast Ohio | 614, 380 |
| 741-746 | 741, 742, 743, 744, 745, and 746 are unassigned area codes | ||
| 747 | CA | California: San Fernando Valley of Los Angeles | 818 |
| 748-753 | 748, 749, 750, 751, 752, and 753 are unassigned area codes | ||
| 754 | FL | Florida: Broward County | 954 |
| 755, 756 | Unassigned area codes | ||
| 757 | VA | Southeast Virginia, Williamsburgh area, including Portsmouth | 804 |
| 758 | St. Lucia | 809 | |
| 759 | Unassigned area code | ||
| 760 | CA | California: Southeastern San Diego north to Sierra Nevada | 442, 619 |
| 761 | Unassigned area code | ||
| 762 | GA | North and Northeast Georgia: Columbus, Augusta | 706 |
| 763 | MN | Minnesota | 612, 952, 651 |
| 764 | Future area code for California | ||
| 765 | IN | Indiana: outside Indianapolis | 317 |
| 766 | Unassigned area code | ||
| 767 | Dominica | ||
| 768 | Unassigned area code | ||
| 769 | MS | Central Mississippi | 601 |
| 770 | GA | Georgia: Atlanta and suburbs | 285, 404, 678 |
| 771 | Unassigned area code | ||
| 772 | FL | South central Florida: Treasure Coast | 561 |
| 773 | IL | Illinois: Non-downtown Chicago | 312, 872 |
| 774 | MA | Massachusetts | 508, 978 |
| 775 | NV | Nevada | 702 |
| 776, 777 | Unassigned area codes | ||
| 778 | BC | British Colombia Canada | 250, 604 |
| 779 | IL | North Illinois: around Moline | 815 |
| 780 | AB | Alberta Canada | 403 |
| 781 | MA | East Massachusetts: Boston suburbs | 339, 508, 617 |
| 782, 783 | Unassigned area codes | ||
| 784 | St. Vincent/Grenadines | 809 | |
| 785 | KS | North Kansas: Topeka | 913 |
| 786 | FL | Southeast Florida | 305 |
| 787 | PR | Puerto Rico | 939 |
| 788-799 | 788, 789, 790, 791, 792, 793, 794, 795, 796, 797, 798, and 799 are unassigned area codes | ||
| 800 area codes | |||
| 800 | Domestic Toll-Free | 888, 877, 866, 855, 844, 833, 822 | |
| 801 | UT | Salt Lake City Metro | 385, 435 |
| 802 | VT | Vermont | |
| 803 | SC | South Carolina | 843, 864 |
| 804 | VA | East Virginia: Richmond | 434, 757 |
| 805 | CA | South Central Coastal California: San Luis Obispo, Santa Barbara, Ventura, and Bakersfield | 661 |
| 806 | TX | North Texas: Amarillo and Lubbock | |
| 807 | ON | Canada: West Ontario, Thunder Bay | |
| 808 | HI | HAWAII | |
| 809 | Bermuda, Puerto Rico, Virgin Islands, Caribbean | 441,340 | |
| 810 | MI | East Michigan: Flint, Pontiac | 248, 586 |
| 811 | Unassigned area codes | ||
| 812 | IN | South Indiana: Evansville | |
| 813 | FL | Southwest Florida: Tampa Metro | 727, 941 |
| 814 | PA | Central Pennsylvania: Altoona, Bradford, and Erie | |
| 815 | IL | Northeast Illinois: Rockford, Kankakee | |
| 816 | MO | Missouri: Kansas City area | 660, 975 |
| 817 | TX | North-Central Texas: Fort Worth area | 682 |
| 818 | CA | South California: San Fernando and Los Angeles | 747 |
| 819 | QC | Canada: Northwest Quebec: Trois Rivieres | 867 |
| 820, 821 | Unassigned area codes | ||
| 822 | US/Canada Toll-Free | ||
| 823-827 | 823, 824, 825, 826, and 827 are unassigned area codes | ||
| 828 | NC | West North Carolina: Asheville | 704 |
| 829 | Dominican Republic | ||
| 830 | TX | Texas: North and West of San Antonio | 210 |
| 831 | CA | West-Central California: Santa Cruz through Monterey County | |
| 832 | TX | Texas: Houston | 281, 713, 936 |
| 833 | US/Canada Toll-Free | ||
| 834 | Unassigned area codes | ||
| 835 | PA | Southeast Pennsylvania | 484, 610 |
| 836-842 | 836, 837, 838, 839, 840, 841, and 842 are unassigned area codes | ||
| 843 | SC | East South Carolina: Myrtle Beach, Charleston | 803 |
| 844 | US/Canada Toll-Free | ||
| 845 | NY | New York: Rockland, Putnam, Orange, Dutchess Ulster | 914 |
| 846 | Unassigned area code | ||
| 847 | IL | Northern Northeast Illinois: Oak Brook | 224, 312 |
| 848 | NJ | Central New Jersey | 732 |
| 849 | Dominican Republic | ||
| 850 | FL | Florida panhandle, from east of Tallahassee to Pensacola | 904 |
| 851-854 | 851, 852, 853, and 854 are unassigned area codes | ||
| 855 | US/Canada Toll-Free | ||
| 856 | NJ | Southwest New Jersey | 609 |
| 857 | MA | Massachusetts | 617 |
| 858 | CA | South west California: San Diego | 619, 760, 935 |
| 859 | KY | Kentucky | 606 |
| 860 | CT | Connecticut | 203, 959 |
| 861 | Unassigned area code | ||
| 862 | NJ | North New Jersey | 973 |
| 863 | FL | South-central Florida: Lakeland, Bartow, Winter Haven, Lake Wales | |
| 864 | SC | South Carolina | 803 |
| 865 | TN | Tennessee: Knox County | 423, 615 |
| 866 | US/Canada Toll-Free | ||
| 867 | YT | Canada: Yukon and Northwest Territories | 403,819 |
| 868 | Trinidad and Tobago | ||
| 869 | Sant Kitts and Nevis | ||
| 870 | AR | South Arkansas | 501 |
| 871 | Unassigned area code | ||
| 872 | IL | Illinois: Chicago | 312, 773 |
| 873 | Future area code for Quebec | ||
| 874, 875 | Unassigned area codes | ||
| 876 | Jamaica | ||
| 877 | Domestic Toll-Free | ||
| 878 | PA | Pittsburgh: Pittsburgh | 412, 724 |
| 878-887 | 878, 879, 880, 881, 882, 883, 884, 885, 886, and 887 are unassigned area codes | ||
| 888 | Domestic Toll-Free | ||
| 889-897 | 889, 890, 891, 892, 893, 894, 895, 896, and 897 are unassigned area codes | ||
| 898 | VoIP service | ||
| 899 | Unassigned area code | ||
| 900 area codes | |||
| 900 | Personal paid service line | ||
| 901 | TN | West Tennessee: Memphis | 615, 731, 931 |
| 902 | NS | Canada: Nova Scotia, Prince Edward Island | |
| 903 | TX | Northeast Texas: Tyler | 430 |
| 904 | FL | North Florida: Jacksonville | 352, 386, 850 |
| 905 | ON | South central Ontario, Canada | 416, 647 |
| 906 | MI | Upper Peninsula Michigan: Sault Ste. Marie, Escanaba, Marquette | |
| 907 | AK | Alaska | |
| 908 | NJ | Central New Jersey: Elizabeth, Basking Ridge, Somerville, Bridgewater | 732 |
| 909 | CA | California: Corona Riverside and Moreno Valley | 951 |
| 910 | NC | South Central North Carolina: Fayetteville, Wilmington | 336 |
| 911 | Emergency Help | 411 | |
| 912 | GA | South Georgia: Savannah | 229, 478 |
| 913 | KS | North East Kansas/Kansas City Metro/Leavenworth | 785 |
| 914 | NY | South New York: White Plains | 845 |
| 915 | TX | West Texas: El Paso area | 432 |
| 916 | CA | Northeast California: Sacramento | 530 |
| 917 | NY | New York City, New York | 646, 929 |
| 918 | OK | East Oklahoma: Tulsa | 405, 539, 580 |
| 919 | NC | East North Carolina: Raleigh | 252, 984 |
| 920 | WI | Northeast Wisconsin | 274, 414 |
| 921-924 | 921, 922, 923, and 924 are unassigned area codes | ||
| 925 | CA | California: East Bay | 510 |
| 926, 927 | Unassigned area codes | ||
| 928 | AZ | Arizona: Grand Canyon, Flagstaff, Lake Havasu City, Kingman | 520 |
| 929 | NY | New York: Brooklyn, Queens, the Bronx, and Staten Island | 718, 347, 917 |
| 930 | Unassigned area code | ||
| 931 | TN | Central Tennessee | 615 |
| 932-934 | 932, 933, and 934 are unassigned area codes | ||
| 935 | Future area code for California | ||
| 936 | TX | Southeast Texas: Huntsville | 409 |
| 937 | OH | Southwest Ohio: Dayton | 513 |
| 938 | AL | Alabama | 256 |
| 939 | PR | Puerto Rico | 787 |
| 940 | TX | North Central Texas: Denton, Wichita Falls | 254, 817, 936 |
| 941 | FL | Southwest Florida: Tampa Area | 813, 863 |
| 942-946 | 942, 943, 944, 945, and 946 are unassigned area codes | ||
| 947 | MI | Michigan | 248 |
| 948 | Unassigned area code | ||
| 949 | CA | California: South Coastal Orange County | 714 |
| 950 | Unassigned area code | ||
| 951 | CA | California: West Riverside County | 909 |
| 952 | MN | Minnesota: Southwestern suburbs of Minneapolis-St. Paul | 612, 763, 651 |
| 953 | Unassigned area code | ||
| 954 | FL | Broward County area, including Ft. Lauderdale | 305, 754 |
| 955 | Unassigned area code | ||
| 956 | TX | South Texas: Brownsville, McAllen, Laredo, and South Padre Island | 210 |
| 957, 958 | Unassigned area codes | ||
| 959 | CT | Connecticut | 860 |
| 960-969 | 961, 962, 963, 964, 965, 966, 967, 968, 969 are unassigned area codes | ||
| 970 | CO | North and West Colorado: Aspen, Vail, Durango, Grand Junction | 303 |
| 971 | OR | Oregon: Portland, Salem, McMinnville, Tillamook and other northwestern locations | 503 |
| 972 | TX | Texas: Dallas Metro: Dallas and parts of Denton and Collin counties | 214, 469 |
| 973 | NJ | North New Jersey: Newark Paterson Morristown | 201, 862 |
| 974 | Unassigned area code | ||
| 975 | Future area code for Missouri | ||
| 976, 977 | Unassigned area codes | ||
| 978 | MA | Central Massachusetts | 351 |
| 979 | TX | Southeast Texas | 409, 936 |
| 980 | NC | North Carolina | 704 |
| 981-983 | 981, 982, and 983 are unassigned area codes | ||
| 984 | Future area code for North Carolina | ||
| 985 | LA | Southeastern Louisiana: excludes New Orleans | 504 |
| 986-988 | Unassigned area codes | ||
| 989 | MI | Michigan: Alma, Alpena, Bad Axe, Bay City, Caro, Clare, Midland | 517 |
| 990-999 | 990, 991, 992, 993, 994, 995, 996, 997, 998, 999 are unassigned area codes |