| 011 | International Access |
| 200 | Service access code |
| 201 | New Jersey - NorthEast |
| 202 | District Of Columbia |
| 203 | Connecticut |
| 204 | Manitoba |
| 205 | Alabama |
| 206 | Washington - Western |
| 207 | Maine |
| 208 | Idaho |
| 209 | California - Central |
| 210 | Texas - Southern |
| 211 | Coin Phone Refunds |
| 212 | New York - Manhattan |
| 213 | California - Los Angeles |
| 214 | Texas - Dallas |
| 215 | Pennsylvania - SouthEast |
| 216 | Ohio - Cleveland |
| 217 | Illinois - South Central |
| 218 | Minnesota - Northern |
| 219 | Indiana - Northern |
| 224 | Illinois |
| 225 | Louisiana |
| 228 | Mississippi |
| 231 | Michigan |
| 240 | Maryland |
| 242 | Bahamas-Carib |
| 246 | Barbados-Carib |
| 248 | Michigan - Oakland Cty |
| 250 | British Columbia |
| 252 | North Carolina |
| 253 | Washington - Southern |
| 254 | Texas - Ft. Worth |
| 256 | Alabama |
| 264 | Anguilla |
| 267 | Pennsylvania (overlay 215) |
| 268 | Antigua/Barbuda-Carib |
| 270 | Kentucky |
| 281 | Texas - Houston |
| 284 | British V.I.-Carib |
| 300 | Service Access Code |
| 301 | Maryland - Southern&Western |
| 302 | Delaware |
| 303 | Colorado - Northern&Western |
| 304 | West Virginia |
| 305 | Florida - SouthEast |
| 306 | Saskatchewan |
| 307 | Wyoming |
| 308 | Nebraska - Western |
| 309 | Illinois - West Central |
| 310 | California - Los Angeles |
| 311 | Reserved Special Function |
| 312 | Illinois - Chicago |
| 313 | Michigan - Eastern |
| 314 | Missouri - Eastern |
| 315 | New York - North Central |
| 316 | Kansas - Southern |
| 317 | Indiana - Central |
| 318 | Louisiana - Western |
| 319 | Iowa - Eastern |
| 320 | Minnesota |
| 323 | California - Los Angeles |
| 330 | Ohio - Eastern |
| 334 | Alabama |
| 336 | North Carolina |
| 340 | US Virgin Islands |
| 345 | Cayman Islands |
| 347 | New York - NYC except Mnhtn (split from 718) |
| 352 | Florida - North |
| 360 | Washington State |
| 400 | Service Access Code |
| 401 | Rhode Island |
| 402 | Nebraska - Eastern |
| 403 | Albrta, Yukon, Nw Ter |
| 404 | Georgia - Metro Atlanta |
| 405 | Oklahoma- Southern&Western |
| 406 | Montana |
| 407 | Florida - Eastern |
| 408 | California - Central Coastal |
| 409 | Texas - SouthEast |
| 410 | Maryland - Eastern |
| 411 | Directory Services |
| 412 | Pennsylvania - Pittsburgh |
| 413 | Massachusetts - Western |
| 414 | Wisconsin - Eastern |
| 415 | California - San Francisco |
| 416 | Ontario - South Central |
| 417 | Missouri - SouthWest |
| 418 | Quebec - NorthEast |
| 419 | Ohio - NorthWest |
| 423 | Tennessee - Eastern |
| 424 | California (overlay 310) |
| 425 | Washington-Northern |
| 435 | Utah |
| 440 | Ohio - Northeast |
| 441 | Bermuda-Carib |
| 443 | Maryland |
| 450 | Quebec |
| 456 | Inbound International |
| 469 | Texas |
| 473 | Grenada-Carib |
| 484 | Pennsylvania (overlay 610) |
| 500 | Personal Communication Svcs |
| 501 | Arkansas |
| 502 | Kentucky - Western |
| 503 | Oregon - Portland tri-metro |
| 504 | Louisiana - Eastern |
| 505 | New Mexico |
| 506 | New Brunswick |
| 507 | Minnesota - Southern |
| 508 | Massachusetts - Eastern |
| 509 | Washington - Eastern |
| 510 | California - East Bay Area |
| 512 | Texas - Southern |
| 513 | Ohio - SouthWest |
| 514 | Quebec - Southern |
| 515 | Iowa - Central |
| 516 | New York - Long Island |
| 517 | Michigan - Central |
| 518 | New York - NorthEast |
| 519 | Ontario - SouthWest |
| 520 | Arizona |
| 530 | California-Sacramento |
| 540 | Virginia |
| 541 | Oregon |
| 559 | California - Central |
| 561 | Florida - Central |
| 562 | California - Los Angeles |
| 570 | Pennsylvania (split 717) |
| 573 | Missouri |
| 580 | Oklahoma |
| 600 | Canada/Services |
| 601 | Mississippi |
| 602 | Arizona |
| 603 | New Hampshire |
| 604 | British Columbia |
| 605 | South Dakota |
| 606 | Kentucky - Eastern |
| 607 | New York - South Central |
| 608 | Wisconsin - SouthWest |
| 609 | New Jersey - Southern |
| 610 | Pennsylvania |
| 611 | Repair Service |
| 612 | Minnesota - Central |
| 613 | Ontario - SouthEast |
| 614 | Ohio - SouthEast |
| 615 | Tennessee - Middle/Western |
| 616 | Michigan - Western |
| 617 | Massachusetts - Eastern |
| 618 | Illinois - Southern |
| 619 | California - SanDiego, S.Cal |
| 626 | California - Pas./San Gabr.Vly |
| 630 | Illinois - Chicago suburbs |
| 646 | New York - Manhattan (split from 212) |
| 647 | Ontario |
| 649 | Turks & Caicos |
| 650 | California - West Bay Area |
| 651 | Minnesota |
| 660 | Missouri |
| 661 | California - (split from 805) |
| 664 | Montserrat-Carib |
| 670 | CNMI-Mariana Islands |
| 671 | Guam |
| 678 | Georgia |
| 700 | Service Varies by LD Carrier |
| 701 | North Dakota |
| 702 | Nevada |
| 703 | Virginia - Northern & Western |
| 704 | North Carolina - Western |
| 705 | Ontario - Northern |
| 706 | Georgia - Northern |
| 707 | California - North Coastal |
| 708 | Illinois - NorthEast |
| 709 | Newfndlnd, Labradr |
| 710 | Gov Emer Telecom Svc |
| 711 | Special Function |
| 712 | Iowa - Western |
| 713 | Texas - Houston Area |
| 714 | California - Orange County |
| 715 | Wisconsin - Northern |
| 716 | New York - Western |
| 717 | Pennsylvania - East Central |
| 718 | New York - NYC except Mnhtn |
| 719 | Colorado - SouthEast |
| 720 | Colorado |
| 724 | Pennsylvania - Western |
| 727 | Florida |
| 732 | New Jersey - Central |
| 734 | Michigan - Ann Arbor/Ypsilanti |
| 740 | Ohio |
| 757 | Virginia |
| 758 | St. Lucia-Carib |
| 760 | California - San Diego |
| 765 | Indiana - Outside Indianapolis |
| 767 | Dominica |
| 770 | Georgia |
| 773 | Illinois - Chicago |
| 775 | Nevada |
| 780 | Alberta |
| 781 | Massachusetts |
| 784 | St. Vincent/Grenadines |
| 785 | Kansas - Northern |
| 786 | Florida - Overlay the 305 area |
| 787 | Puerto Rico-Carib |
| 800 | Toll-Free Calling |
| 801 | Utah |
| 802 | Vermont |
| 803 | South Carolina |
| 804 | Virginia - SouthEast |
| 805 | California - SouthCentral |
| 806 | Texas - North Panhandle |
| 807 | Ontario - NorthWest |
| 808 | Hawaii |
| 810 | Michigan - Northern |
| 811 | Special Function |
| 812 | Indiana - Southern |
| 813 | Florida - Tampa area |
| 814 | Pennsylvania - West Central |
| 815 | Illinois - Northern |
| 816 | Missouri - NorthWest |
| 817 | Texas - North Central |
| 818 | California - SF Valley, LA area |
| 819 | Quebec - Eastern |
| 822 | Future Toll-Free Svc. |
| 828 | North Carolina |
| 830 | Texas - San Antonio |
| 831 | California, Central Coastal |
| 832 | Texas, Houston area |
| 833 | Future Toll-Free Svc. |
| 843 | South Carolina |
| 844 | Future Toll-Free Svc. |
| 847 | Illinois - Chicago suburbs |
| 850 | Florida, Northern |
| 855 | Future Toll-Free Svc. |
| 858 | California - (split from 619) |
| 860 | Connecticut |
| 864 | South Carolina |
| 866 | Future Toll-Free Svc. |
| 867 | Yukon/N.W.Terr¹s |
| 868 | Trinidad and Tobago-Carib |
| 869 | St.Kitts and Nevis-Carib |
| 870 | Arkansas |
| 876 | Jamaica |
| 877 | Toll-Free Calling |
| 880 | Paid 800 Service |
| 881 | Paid 888 Service |
| 882 | Paid 877 Service |
| 888 | Toll-Free Calling |
| 900 | Value Added Info Svc Code |
| 901 | Tennessee - Western |
| 902 | Pr Edwrd Is, Nva Sctia |
| 903 | Texas - NorthEast |
| 904 | Florida - Northern |
| 905 | Ontario |
| 906 | Michigan - Upper North |
| 907 | Alaska |
| 908 | New Jersey - Central |
| 909 | California - Riverside&S.Bern |
| 910 | North Carolina |
| 911 | Emergency Services |
| 912 | Georgia - Southern |
| 913 | Kansas - Northern |
| 914 | New York - Southern |
| 915 | Texas - Western |
| 916 | California - Northern |
| 917 | New York - Cellular&Paging |
| 918 | Oklahoma - NorthEast |
| 919 | North Carolina - Eastern |
| 920 | Wisconsin |
| 925 | California - S.F.Bay area |
| 931 | Tennessee |
| 935 | California - (split from 619) |
| 937 | Ohio - Dayton, SW Ohio |
| 940 | Texas - Ft. Worth |
| 941 | Florida - Cape Coral area |
| 949 | California - Orange County |
| 954 | Florida - Southeast |
| 956 | Texas - Laredo/Brownsville |
| 970 | Colorado |
| 972 | Texas - Dallas |
| 973 | New Jersey - Northern |
| 978 | Massachusetts |
