Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SNFCCA21XUY

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
341-204 A Fremont-Newark: Greenleaf DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
341-205 A Oakland: Main-Piedmont DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
341-207 A Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
341-209 A Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
341-210 A Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
341-215 A Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
341-216 A Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
341-217 A Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-214 A San Martin CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-290 A Sunnyvale CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-412 A Campbell CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-430 A Gilroy CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-471 A San Jose: North DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-475 A Sunnyvale CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-560 A Los Gatos CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-601 A San Jose: North DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-622 A San Jose: South DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-645 A San Jose: West DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-657 A San Martin CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-658 A San Jose: West DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-669 A San Jose: South DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-703 A San Jose: West DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-708 A San Jose: North DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-713 A Gilroy CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-780 A San Jose: West DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-785 A San Jose: West DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-883 A San Jose: North DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
408-905 A San Jose: West DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722   2025-02-02   
415-322 A Mill Valley CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-323 A Nicasio CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-326 A Mill Valley CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-340 A San Francisco: Montrose-Evergreen DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-372 A San Francisco: Central DA CA 6906 AMERICAN MESSAGING SERVICES, LLC 722      
415-390 A Point Reyes CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-414 A San Francisco: Central DA CA 6906 AMERICAN MESSAGING SERVICES, LLC 722      
415-484 A Stinson Beach-Bolinas CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-573 A San Francisco: Montrose-Evergreen DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-579 A San Francisco: Central DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-598 A Nicasio CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-604 A San Francisco: Juniper DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-679 A San Francisco: Central DA CA 9748 AMERICAN MESSAGING SERVICES, LLC 722      
415-712 A Belvedere CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-735 A San Francisco: Central DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-741 A San Francisco: Montrose-Evergreen DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-754 A Sausalito CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-766 A San Francisco: Central DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-770 A San Francisco: Montrose-Evergreen DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-790 A San Francisco: Central DA CA 9748 AMERICAN MESSAGING SERVICES, LLC 722      
415-800 A San Francisco: Central DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-838 A San Rafael CA 9748 AMERICAN MESSAGING SERVICES, LLC 722      
415-849 A Corte Madera CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-851 A San Francisco: Central DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-854 A San Francisco: Central DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-855 A Sausalito CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-857 A San Francisco: Central DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-903 A Point Reyes CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-906 A San Francisco: Central DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-935 A San Francisco: Central DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-938 A Point Reyes CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-942 A Sausalito CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-943 A Stinson Beach-Bolinas CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-949 A Nicasio CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-952 A Stinson Beach-Bolinas CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-964 A San Francisco: Montrose-Evergreen DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-967 A San Francisco: Central DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-993 A San Francisco: Juniper DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-996 A Ignacio CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-210 A Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-244 A Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-255 A Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-256 A Crockett CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-349 A Richmond CA 9748 AMERICAN MESSAGING SERVICES, LLC 722      
510-398 A Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-402 A Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-470 A Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-516 A Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-626 A Oakland: Trinidad DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-646 A Oakland: Berkeley DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-671 A Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-722 A Crockett CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-730 A Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-766 A Fremont-Newark: Main DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-775 A Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-831 A Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-838 A Oakland: Fruitvale DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-854 A El Sobrante-Pinole CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-899 A Oakland: Main-Piedmont DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-901 A Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-925 A Hayward CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-929 A Oakland: Main-Piedmont DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-937 A Crockett CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-939 A Hercules-Rodeo CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-956 A Oakland: Alameda DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-961 A Fremont-Newark: Greenleaf DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-968 A Fremont-Newark: Main DA CA 9748 AMERICAN MESSAGING SERVICES, LLC 722      
510-983 A Fremont-Newark: Oliver DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-992 A Oakland: Main-Piedmont DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-994 A Richmond CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-997 A Oakland: Main-Piedmont DA CA 6906 AMERICAN MESSAGING SERVICES, LLC 722      
628-207 A San Francisco: Montrose-Evergreen DA CA 981E BANDWIDTH.COM CLEC, LLC - CA 722      

1 2 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.