| Area code | Location | Overlay complex | Timezone |
| 201 | New Jersey | 201/551 | E |
| 202 | Washington D.C. | - | E |
| 203 | Connecticut | 203/475 | E |
| 204 | Canada - Manitoba | - | C |
| 205 | Alabama | - | C |
| 206 | Washington | - | P |
| 207 | Maine | - | E |
| 208 | Idaho | - | M/P |
| 209 | California | - | P |
| 210 | Texas | - | C |
| 212 | New York | 212/646/917 | E |
| 213 | California | - | P |
| 214 | Texas | 214/469/972 | C |
| 215 | Pennsylvania | 215/267 | E |
| 216 | Ohio | - | E |
| 217 | Illinois | - | C |
| 218 | Minnesota | - | C |
| 219 | Indiana | - | E/C |
| 224 | Illinois | 847/224 | C |
| 225 | Louisiana | - | C |
| 226 | Canada - Ontario | 519/226 | E |
| 228 | Mississippi | - | C |
| 229 | Georgia | - | E |
| 231 | Michigan | - | E |
| 234 | Ohio | 330/234 | E |
| 239 | Florida | - | E |
| 240 | Maryland | 301/240 | E |
| 242 | Bahamas | - | E |
| 246 | Barbados | - | A |
| 248 | Michigan | 248/947 | E |
| 249 | Canada - Ontario | 705/249 | E |
| 250 | Canada - British Columbia | 250/778 | P |
| 251 | Alabama | - | C |
| 252 | North Carolina | - | E |
| 253 | Washington | - | P |
| 254 | Texas | - | C |
| 256 | Alabama | 256/938 | C |
| 260 | Indiana | - | E |
| 262 | Wisconsin | - | C |
| 264 | Anguilla | - | A |
| 267 | Pennsylvania | 215/267 | E |
| 268 | Antigua & Barbuda | - | A |
| 269 | Michigan | - | E |
| 270 | Kentucky | - | E/C |
| 276 | Virginia | - | E |
| 281 | Texas | 713/281/832 | C |
| 284 | British Virgin Islands | - | A |
| 289 | Canada - Ontario | 905/289 | E |
| Area code | Location | Overlay complex | Timezone |
| 301 | Maryland | 301/240 | E |
| 302 | Delaware | - | E |
| 303 | Colorado | 303/720 | M |
| 304 | West Virginia | 304/681 | E |
| 305 | Florida | 305/786 | E |
| 306 | Canada - Saskatchewan | - | C |
| 307 | Wyoming | - | M |
| 308 | Nebraska | - | CM |
| 309 | Illinois | - | C |
| 310 | California | 310/424 | P |
| 312 | Illinois | 312/872 | C |
| 313 | Michigan | - | E |
| 314 | Missouri | - | C |
| 315 | New York | - | E |
| 316 | Kansas | - | C |
| 317 | Indiana | - | E |
| 318 | Louisiana | - | C |
| 319 | Iowa | - | C |
| 320 | Minnesota | - | C |
| 321 | Florida | - | E |
| 323 | California | - | P |
| 325 | Texas | - | C |
| 330 | Ohio | 330/234 | E |
| 331 | Illinois | 630/331 | C |
| 334 | Alabama | - | C |
| 336 | North Carolina | - | E |
| 337 | Louisiana | - | C |
| 339 | Massachusetts | 781/339 | E |
| 340 | US Virgin Islands | - | A |
| 343 | Canada - Ontario | 613/343 | E |
| 345 | Cayman Islands | - | E |
| 347 | New York | 718/347/917/929 | E |
| 351 | Massachusetts | 978/351 | E |
| 352 | Florida | - | E |
| 360 | Washington | - | P |
| 361 | Texas | - | C |
| 385 | Utah | 801/385 | M |
| 386 | Florida | - | E |
| Area code | Location | Overlay complex | Timezone |
| 401 | Rhode Island | - | E |
| 402 | Nebraska | 402/531 | C |
| 403 | Canada - Alberta | 403/780/587 | M |
| 404 | Georgia | 404/678/470 | E |
| 405 | Oklahoma | - | C |
| 406 | Montana | - | M |
| 407 | Florida | 407/321 | E |
| 408 | California | - | P |
| 409 | Texas | - | C |
| 410 | Maryland | 410/443/667 | E |
| 412 | Pennsylvania | 412/878 | E |
| 413 | Massachusetts | - | E |
| 414 | Wisconsin | - | C |
| 415 | California | - | P |
| 416 | Canada - Ontario | 416/647 | E |
| 417 | Missouri | - | C |
| 418 | Canada - Quebec | 418/581 | E |
| 419 | Ohio | 419/567 | E |
| 423 | Tennessee | - | EC |
| 424 | California | 310/424 | P |
| 425 | Washington | - | P |
| 430 | Texas | 903/430 | C |
| 432 | Texas | - | C |
| 434 | Virginia | - | E |
| 435 | Utah | - | M |
| 438 | Canada - Quebec | 514/438 | E |
| 440 | Ohio | - | E |
| 441 | Bermuda | - | A |
| 442 | California | 760/442 | P |
| 443 | Maryland | 410/443/667 | E |
| 450 | Canada - Quebec | 450/579 | E |
| 458 | Oregon | 541/458 | MP |
| 469 | Texas | 214/469/972 | C |
| 470 | Georgia | 404/770/678/470 | E |
| 473 | Grenada | - | A |
| 475 | Connecticut | 203/475 | E |
| 478 | Georgia | - | E |
| 479 | Arkansas | - | C |
| 480 | Arizona | - | M |
| 484 | Pennsylvania | 610/484 | E |
| Area code | Location | Overlay complex | Timezone |
| 501 | Arkansas | - | C |
| 502 | Kentucky | - | E |
| 503 | Oregon | 503/971 | P |
| 504 | Louisiana | - | C |
| 505 | New Mexico | - | M |
| 506 | Canada - New Brunswick | - | A |
| 507 | Minnesota | - | C |
| 508 | Massachusetts | 508/774 | E |
| 509 | Washington | - | P |
| 510 | California | - | P |
| 512 | Texas | - | C |
| 513 | Ohio | - | E |
| 514 | Canada - Quebec | 514/438 | E |
| 515 | Iowa | - | C |
| 516 | New York | - | E |
| 517 | Michigan | - | E |
| 518 | New York | - | E |
| 519 | Canada - Ontario | 519/226 | E |
| 520 | Arizona | - | M |
| 530 | California | - | P |
| 531 | Nebraska | 402/531 | C |
| 534 | Wisconsin | 715/534 | C |
| 539 | Oklahoma | 918/539 | C |
| 540 | Virginia | - | E |
| 541 | Oregon | 541/458 | MP |
| 551 | New Jersey | 201/551 | E |
| 559 | California | - | P |
| 561 | Florida | - | E |
| 562 | California | - | P |
| 563 | Iowa | - | C |
| 567 | Ohio | 419/567 | E |
| 570 | Pennsylvania | - | E |
| 571 | Virginia | 703/571 | E |
| 573 | Missouri | - | C |
| 574 | Indiana | - | EC |
| 575 | New Mexico | - | M |
| 579 | Quebec | 450/579 | E |
| 580 | Oklahoma | - | C |
| 581 | Quebec | 418/581 | E |
| 585 | New York | - | E |
| 586 | Michigan | - | E |
| 587 | Canada - Alberta | 403/780/587 | M |
| Area code | Location | Overlay complex | Timezone |
| 601 | Mississippi | 601/769 | C |
| 602 | Arizona | - | M |
| 603 | New Hampshire | - | E |
| 604 | Canada - British Columbia | 604/778 | E |
| 605 | South Dakota | - | CM |
| 606 | Kentucky | - | EC |
| 607 | New York | - | E |
| 608 | Wisconsin | - | C |
| 609 | New Jersey | - | E |
| 610 | Pennsylvania | 610/484 | E |
| 612 | Minnesota | - | C |
| 613 | Canada - Ontario | 613/343 | E |
| 614 | Ohio | - | E |
| 615 | Tennessee | - | C |
| 616 | Michigan | - | E |
| 617 | Massachusetts | 617/857 | E |
| 618 | Illinois | - | C |
| 619 | California | - | P |
| 620 | Kansas | - | CM |
| 623 | Arizona | - | M |
| 626 | California | - | P |
| 630 | Illinois | 630/331 | C |
| 631 | New York | - | E |
| 636 | Missouri | - | C |
| 641 | Iowa | - | C |
| 646 | New York | 212/646/917 | E |
| 647 | Canada - Ontario | 416/647 | E |
| 649 | Turks & Caicos | - | E |
| 650 | California | - | P |
| 651 | Minnesota | - | C |
| 657 | California | 714/657 | P |
| 660 | Missouri | - | C |
| 661 | California | - | P |
| 662 | Mississippi | - | C |
| 664 | Montserrat | - | A |
| 667 | Maryland | 410/443/667 | E |
| 670 | Northern Mariana Isl. | - | UTC+10 |
| 671 | Guam | - | UTC+10 |
| 678 | Georgia | 404/770/678/470 | E |
| 681 | West Virginia | 304/681 | E |
| 682 | Texas | 817/682 | C |
| 684 | American Samoa | - | SST |
| Area code | Location | Overlay complex | Timezone |
| 701 | North Dakota | - | CM |
| 702 | Nevada | - | P |
| 703 | Virginia | 703/571 | E |
| 704 | North Carolina | 704/980 | E |
| 705 | Canada - Ontario | 705/249 | E |
| 706 | Georgia | 706/762 | E |
| 707 | California | - | P |
| 708 | Illinois | - | C |
| 709 | Canada - Newfoundland | - | NST |
| 712 | Iowa | - | C |
| 713 | Texas | 713/281/832 | C |
| 714 | California | 714/657 | P |
| 715 | Wisconsin | 715/534 | C |
| 716 | New York | - | E |
| 717 | Pennsylvania | - | E |
| 718 | New York | 718/347/917/929 | E |
| 719 | Colorado | - | M |
| 720 | Colorado | 303/720 | M |
| 721 | Sint Maarten | - | A |
| 724 | Pennsylvania | 724/878 | E |
| 727 | Florida | - | E |
| 731 | Tennessee | - | C |
| 732 | New Jersey | 732/848 | E |
| 734 | Michigan | - | E |
| 740 | Ohio | - | E |
| 747 | California | 818/747 | P |
| 754 | Florida | 954/754 | E |
| 757 | Virginia | - | E |
| 758 | St. Lucia | - | A |
| 760 | California | 760/442 | P |
| 762 | Georgia | 706/762 | E |
| 763 | Minnesota | - | C |
| 765 | Indiana | - | E |
| 767 | Dominica | - | A |
| 769 | Mississippi | 601/769 | C |
| 770 | Georgia | 770/678/470 | E |
| 772 | Florida | - | E |
| 773 | Illinois | 773/872 | C |
| 774 | Massachusetts | 508/774 | E |
| 775 | Nevada | - | P |
| 778 | Canada - British Columbia | 604/778 & 250/778 | P |
| 779 | Illinois | 815/779 | C |
| 780 | Canada - Alberta | 780/587/403 | M |
| 781 | Massachusetts | 781/339 | E |
| 784 | St. Vincent and the Grenadines | - | A |
| 785 | Kansas | - | CM |
| 786 | Florida | 305/786 | E |
| 787 | Puerto Rico | 787/939 | A |
| Area code | Location | Overlay complex | Timezone |
| 800 | Toll free | | |
| 801 | Utah | 801/385 | M |
| 802 | Vermont | - | E |
| 803 | South Carolina | - | E |
| 804 | Virginia | - | E |
| 805 | California | - | P |
| 806 | Texas | - | C |
| 807 | Canada - Ontario | - | E/C |
| 808 | Hawaii | - | UTC-10 |
| 809 | Dominican Republic | 809/829/849 | E |
| 810 | Michigan | - | E |
| 812 | Indiana | - | E/C |
| 813 | Florida | - | E |
| 814 | Pennsylvania | - | E |
| 815 | Illinois | 815/779 | C |
| 816 | Missouri | - | C |
| 817 | Texas | 817/682 | C |
| 818 | California | 818/747 | P |
| 819 | Canada - Quebec | - | E |
| 828 | North Carolina | - | E |
| 829 | Dominican Republic | 809/829/849 | E |
| 830 | Texas | - | C |
| 831 | California | - | P |
| 832 | Texas | 713/281/832 | C |
| 843 | South Carolina | - | E |
| 845 | New York | - | E |
| 847 | Illinois | 847/224 | C |
| 848 | New Jersey | 732/848 | E |
| 849 | Dominican Republic | 809/829/849 | E |
| 850 | Florida | - | E/C |
| 855 | Toll free | | |
| 856 | New Jersey | - | E |
| 857 | Massachusetts | 617/857 | E |
| 858 | California | - | P |
| 859 | Kentucky | - | E |
| 860 | Connecticut | - | E |
| 862 | New Jersey | 973/862 | E |
| 863 | Florida | - | E |
| 864 | South Carolina | - | E |
| 865 | Tennessee | - | E |
| 866 | Toll free | | |
| 867 | Canada - NW Territories, Nunavut, Yukon | - | CMP |
| 868 | Trinidad & Tobago | - | A |
| 869 | St. Kitts & Nevis | - | A |
| 870 | Arkansas | - | C |
| 872 | Illinois | 312/773/872 | C |
| 876 | Jamaica | - | E |
| 877 | Toll free | | |
| 878 | Pennsylvania | 412/724/878 | E |
| 888 | Toll free | | |
| Area code | Location | Overlay complex | Timezone |
| 900 | Pay per call | | |
| 901 | Tennessee | - | C |
| 902 | Canada - Nova Scotia | - | A |
| 903 | Texas | 903/430 | C |
| 904 | Florida | - | E |
| 905 | Canada - Ontario | 905/289 | E |
| 906 | Michigan | - | EC |
| 907 | Alaska | - | UTC-9 |
| 908 | New Jersey | - | E |
| 909 | California | - | P |
| 910 | North Carolina | - | E |
| 911 | Emergency | | |
| 912 | Georgia | - | E |
| 913 | Kansas | - | C |
| 914 | New York | - | E |
| 915 | Texas | - | C/M |
| 916 | California | - | P |
| 917 | New York | 212/646/917 & 718/347/917/929 | E |
| 918 | Oklahoma | 918/539 | C |
| 919 | North Carolina | 919/984 | E |
| 920 | Wisconsin | - | C |
| 925 | California | - | P |
| 928 | Arizona | - | M |
| 929 | New York | 718/347/917/929 | E |
| 931 | Tennessee | - | E/C |
| 936 | Texas | - | C |
| 937 | Ohio | - | E |
| 938 | Alabama | 256/938 | C |
| 939 | Puerto Rico | 787/939 | A |
| 940 | Texas | - | C |
| 941 | Florida | - | E |
| 947 | Michigan | 248/947 | E |
| 949 | California | - | P |
| 951 | California | - | P |
| 952 | Minnesota | - | C |
| 954 | Florida | 954/754 | E |
| 956 | Texas | - | C |
| 970 | Colorado | - | M |
| 971 | Oregon | 503/971 | P |
| 972 | Texas | 214/469/972 | C |
| 973 | New Jersey | 973/862 | E |
| 978 | Massachusetts | 978/351 | E |
| 979 | Texas | - | C |
| 980 | North Carolina | 704/980 | E |
| 984 | North Carolina | 919/984 | E |
| 985 | Louisiana | - | C |
| 989 | Michigan | - | E |