| State | Area Codes |
|---|
| Alabama | 205, 251, 256, 334, 659, 938 |
| Alaska | 907 |
| Arizona | 480, 520, 602, 623, 928 |
| Arkansas | 479, 501, 870 |
| California | 209, 213, 279, 310, 323, 341, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 747, 760, 805, 818, 820, 831, 840, 858, 909, 916, 925, 949, 951 |
| Colorado | 303, 719, 720, 970 |
| Connecticut | 203, 475, 860, 959 |
| Delaware | 302 |
| District of Columbia | 202 |
| Florida | 239, 305, 321, 352, 386, 407, 448, 561, 689, 727, 754, 772, 786, 813, 850, 863, 904, 941, 954 |
| Georgia | 229, 404, 470, 478, 678, 706, 762, 770, 912 |
| Hawaii | 808 |
| Idaho | 208, 986 |
| Illinois | 217, 224, 309, 312, 331, 447, 618, 630, 708, 773, 779, 815, 847, 872 |
| Indiana | 219, 260, 317, 463, 574, 765, 812, 930 |
| Iowa | 319, 515, 563, 641, 712 |
| Kansas | 316, 620, 785, 913 |
| Kentucky | 270, 364, 502, 606, 859 |
| Louisiana | 225, 318, 337, 504, 985 |
| Maine | 207 |
| Maryland | 240, 301, 410, 443, 667 |
| Massachusetts | 339, 351, 413, 508, 617, 774, 781, 857, 978 |
| Michigan | 231, 248, 269, 313, 517, 586, 616, 734, 810, 906, 947, 989 |
| Minnesota | 218, 320, 507, 612, 651, 763, 952 |
| Mississippi | 228, 601, 662, 769 |
| Missouri | 314, 417, 573, 636, 660, 816 |
| Montana | 406 |
| Nebraska | 308, 402, 531 |
| Nevada | 702, 725, 775 |
| New Hampshire | 603 |
| New Jersey | 201, 551, 609, 640, 732, 848, 856, 862, 908, 973 |
| New Mexico | 505, 575 |
| New York | 212, 315, 332, 347, 516, 518, 585, 607, 631, 646, 680, 716, 718, 838, 845, 914, 917, 929, 934 |
| North Carolina | 252, 336, 704, 743, 828, 910, 919, 980, 984 |
| North Dakota | 701 |
| Ohio | 216, 220, 234, 326, 330, 380, 419, 440, 513, 567, 614, 740, 937 |
| Oklahoma | 405, 539, 572, 580, 918 |
| Oregon | 458, 503, 541, 971 |
| Pennsylvania | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 878 |
| Rhode Island | 401 |
| South Carolina | 803, 839, 843, 854, 864 |
| South Dakota | 605 |
| Tennessee | 423, 615, 629, 731, 865, 901, 931 |
| Texas | 210, 214, 254, 281, 325, 346, 361, 409, 430, 432, 469, 512, 682, 713, 726, 737, 806, 817, 830, 832, 903, 915, 936, 940, 945, 956, 972, 979 |
| Utah | 385, 435, 801 |
| Vermont | 802 |
| Virginia | 276, 434, 540, 571, 703, 757, 804 |
| Washington | 206, 253, 360, 425, 509, 564 |
| West Virginia | 304, 681 |
| Wisconsin | 262, 414, 534, 608, 715, 920 |
| Wyoming | 307 |
| Region | Area Codes |
|---|
| Canadian Non-Geographic Services | 622 |
| Canadian Non-Geographic Tariffed Services | 600 |
| Interexchange Carrier Services | 700 |
| Non-Geographic Services | 500, 521, 522, 523, 524, 525, 526, 533, 544, 566, 577, 588 |
| Premium Services | 900 |
| Toll-free | 800, 833, 844, 855, 866, 877, 888 |
| US Government | 710 |
| Region | Area Codes |
|---|
| Community information, referral services | 211 |
| Emergency services | 911 |
| Local directory assistance | 411 |
| Non-emergency police, municipal governmental services | 311 |
| TDD and Relay Services for the deaf and hard of hearing | 711 |
| Telephone customer repair service | 611 |
| Traffic, transportation information (US); Weather, traveller information (Canada) | 511 |
| Underground public utility location (US); Non-emergency health information and services (Canada) | 811 |