| Area Code | State/ Province | Main City | Country | Overlay Complex | Time Zone |
|---|---|---|---|---|---|
| 800 | Toll free | All NANP | |||
| 801 | Utah | Salt Lake City | USA | 801/385 | M |
| 802 | Vermont | Woodbury | USA | E | |
| 803 | South Carolina | Columbia | USA | 803/839 | E |
| 804 | Virginia | Richmond | USA | 804/686 | E |
| 805 | California | Oxnard | USA | 805/820 | P |
| 806 | Texas | Lubbock | USA | C | |
| 807 | Ontario | Thunder Bay | Canada | E,C | |
| 808 | Hawaii | Honolulu | USA | HST | |
| 809 | Dominican Republic | Santo Domingo | Dominican Republic | 809/829/849 | AST |
| 810 | Michigan | Flint | USA | E | |
| 812 | Indiana | Evansville | USA | 812/930 | E,C |
| 813 | Florida | Tampa | USA | 813/656 | E |
| 814 | Pennsylvania | Erie | USA | 814/582 | E |
| 815 | Illinois | Joliet | USA | 815/779 | C |
| 816 | Missouri | Kansas City | USA | 816/975 | C |
| 817 | Texas | Fort Worth | USA | 817/682 | C |
| 818 | California | Glendale | USA | 818/747 | P |
| 819 | Quebec | Gatineau | Canada | 819/873/468 | E |
| 820 | California | Oxnard | USA | 805/820 | P |
| 825 | Alberta | Calgary | Canada | 403/587/825/368, 780/587/825/368 | M |
| 826 | Virginia | Roanoke | USA | 540/826 | E |
| 828 | North Carolina | Asheville | USA | E | |
| 829 | Dominican Republic | Santo Domingo | Dominican Republic | 809/829/849 | AST |
| 830 | Texas | New Braunfels | USA | C | |
| 831 | California | Salinas | USA | P | |
| 832 | Texas | Houston | USA | 713/281/832/346 | C |
| 833 | Toll free | All NANP | |||
| 835 | Pennsylvania | Allentown | USA | 610/484/835 | E |
| 838 | New York | Albany | USA | 518/838 | E |
| 839 | South Carolina | Columbia | USA | 803/839 | E |
| 840 | California | San Bernardino | USA | 909/840 | P |
| 843 | South Carolina | Charleston | USA | 843/854 | E |
| 844 | Toll free | All NANP | |||
| 845 | New York | New City | USA | 845/329 | E |
| 847 | Illinois | Elgin | USA | 847/224 | C |
| 848 | New Jersey | Toms River | USA | 732/848 | E |
| 849 | Dominican Republic | Santo Domingo | Dominican Republic | 809/829/849 | AST |
| 850 | Florida | Tallahassee | USA | 850/448 | E,C |
| 854 | South Carolina | Charleston | USA | 843/854 | E |
| 855 | Toll free | All NANP | |||
| 856 | New Jersey | Camden | USA | E | |
| 857 | Massachusetts | Boston | USA | 617/857 | E |
| 858 | California | San Diego | USA | 619/858 | P |
| 859 | Kentucky | Lexington | USA | E | |
| 860 | Connecticut | Hartford | USA | 860/959 | E |
| 861 | Illinois | Peoria | USA | 309/861 | C |
| 862 | New Jersey | Newark | USA | 973/862 | E |
| 863 | Florida | Lakeland | USA | E | |
| 864 | South Carolina | Greenville | USA | E | |
| 865 | Tennessee | Knoxville | USA | E | |
| 866 | Toll free | All NANP | |||
| 867 | Yukon-Northwest Territories-Nunavut | Whitehorse | Canada | C,M,P | |
| 868 | Trinidad and Tobago | Chaguanas | Trinidad and Tobago | AST | |
| 869 | Saint Kitts and Nevis | Basseterre | Saint Kitts and Nevis | AST | |
| 870 | Arkansas | Jonesboro | USA | 870/327 | C |
| 872 | Illinois | Chicago Downtown | USA | 312/872, 773/872 | C |
| 873 | Quebec | Gatineau | Canada | 819/873/468 | E |
| 876 | Jamaica | Kingston | Jamaica | 876/658 | EST |
| 877 | Toll free | All NANP | |||
| 878 | Pennsylvania | Pittsburgh | USA | 412/878, 724/878 | E |
| 879 | Newfoundland and Labrador | St John's | Canada | 709/879 | N |
| 888 | Toll free | All NANP |