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: SNFCCAMKDS3

<< 1 2 3 4 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-369 A Richmond CA 649C ONVOY, LLC - CA 722      
510-372 A Hayward CA 649C ONVOY, LLC - CA 722      
510-373 A Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722      
510-380 A Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722      
510-399 A Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-405 A Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-439 A Richmond CA 649C ONVOY, LLC - CA 722      
510-462 A Fremont-Newark: Greenleaf DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-544 A Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722      
510-588 A Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722      
510-600 A Hayward CA 649C ONVOY, LLC - CA 722      
510-617 A Hercules-Rodeo CA 649C ONVOY, LLC - CA 722      
510-650 A El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-674 A Hayward CA 649C ONVOY, LLC - CA 722      
510-694 A Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722      
510-721 A Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722      
510-751 A Hayward CA 649C ONVOY, LLC - CA 722      
510-800 A Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722      
510-880 A Hayward CA 649C ONVOY, LLC - CA 722      
510-892 A Hayward CA 649C ONVOY, LLC - CA 722      
510-900 A Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722      
510-902 A Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-906 A Oakland: Alameda DA CA 649C ONVOY, LLC - CA 722      
510-947 A Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722      
510-949 A Hercules-Rodeo CA 649C ONVOY, LLC - CA 722      
510-954 A Hayward CA 649C ONVOY, LLC - CA 722      
510-990 A Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722      
510-991 A Fremont-Newark: Greenleaf DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-999 A Hayward CA 649C ONVOY, LLC - CA 722      
628-200 A San Francisco: Juniper DA CA 649C ONVOY, LLC - CA 722      
628-201 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-203 A Stinson Beach-Bolinas CA 649C ONVOY, LLC - CA 722      
628-222 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-229 A Point Reyes CA 649C ONVOY, LLC - CA 722      
628-243 A San Rafael CA 649C ONVOY, LLC - CA 722      
628-245 A Mill Valley CA 649C ONVOY, LLC - CA 722      
628-272 A Point Reyes CA 649C ONVOY, LLC - CA 722      
628-285 A San Rafael CA 649C ONVOY, LLC - CA 722      
628-295 A San Rafael CA 649C ONVOY, LLC - CA 722      
628-296 A San Francisco: Montrose-Evergreen DA CA 649C ONVOY, LLC - CA 722      
628-300 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-303 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722   2024-05-09   
628-333 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-338 A San Francisco: Montrose-Evergreen DA CA 649C ONVOY, LLC - CA 722      
628-400 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-444 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-466 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-500 A San Rafael CA 649C ONVOY, LLC - CA 722      
628-600 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-626 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-666 A Ignacio CA 649C ONVOY, LLC - CA 722      
628-777 A San Francisco: Montrose-Evergreen DA CA 649C ONVOY, LLC - CA 722      
628-800 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-877 A Corte Madera CA 649C ONVOY, LLC - CA 722      
628-888 A San Rafael CA 649C ONVOY, LLC - CA 722      
628-900 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
628-997 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722   2024-06-09   
628-999 A San Francisco: Central DA CA 649C ONVOY, LLC - CA 722      
650-239 A Millbrae CA 649C ONVOY, LLC - CA 722      
650-240 A San Mateo CA 649C ONVOY, LLC - CA 722      
650-249 A Redwood City CA 649C ONVOY, LLC - CA 722      
650-300 A Palo Alto CA 649C ONVOY, LLC - CA 722      
650-337 A Pescadero CA 649C ONVOY, LLC - CA 722      
650-360 A South San Francisco CA 649C ONVOY, LLC - CA 722      
650-399 A Redwood City CA 649C ONVOY, LLC - CA 722      
650-410 A South San Francisco CA 649C ONVOY, LLC - CA 722      
650-456 A Pescadero CA 649C ONVOY, LLC - CA 722      
650-523 A San Mateo CA 649C ONVOY, LLC - CA 722      
650-590 A San Carlos-Belmont CA 649C ONVOY, LLC - CA 722      
650-600 A Palo Alto CA 649C ONVOY, LLC - CA 722      
650-618 A Palo Alto CA 649C ONVOY, LLC - CA 722      
650-649 A Redwood City CA 649C ONVOY, LLC - CA 722      
650-650 A San Mateo CA 649C ONVOY, LLC - CA 722   2024-01-21   
650-658 A Woodside CA 649C ONVOY, LLC - CA 722      
650-670 A Redwood City CA 649C ONVOY, LLC - CA 722      
650-672 A Millbrae CA 649C ONVOY, LLC - CA 722      
650-706 A San Mateo CA 649C ONVOY, LLC - CA 722      
650-708 A South San Francisco CA 649C ONVOY, LLC - CA 722      
650-710 A San Francisco: Juniper DA CA 649C ONVOY, LLC - CA 722      
650-715 A San Mateo CA 649C ONVOY, LLC - CA 722   2024-01-21   
650-734 A Redwood City CA 649C ONVOY, LLC - CA 722      
650-750 A Half Moon Bay CA 649C ONVOY, LLC - CA 722      
650-770 A Los Altos CA 649C ONVOY, LLC - CA 722      
650-774 A Los Altos CA 649C ONVOY, LLC - CA 722      
650-800 A Palo Alto CA 649C ONVOY, LLC - CA 722      
650-822 A South San Francisco CA 649C ONVOY, LLC - CA 722      
650-882 A Pescadero CA 649C ONVOY, LLC - CA 722      
650-887 A Los Altos CA 649C ONVOY, LLC - CA 722      
650-899 A La Honda CA 649C ONVOY, LLC - CA 722      
650-900 A Los Altos CA 649C ONVOY, LLC - CA 722      
650-910 A South San Francisco CA 649C ONVOY, LLC - CA 722      
650-963 A Mountain View CA 649C ONVOY, LLC - CA 722      
650-984 A Pacifica CA 649C ONVOY, LLC - CA 722      
650-999 A Palo Alto CA 649C ONVOY, LLC - CA 722      
669-200 A San Jose: South DA CA 649C ONVOY, LLC - CA 722      
669-201 A San Jose: West DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
669-202 A San Jose: South DA CA 649C ONVOY, LLC - CA 722      
669-205 A Gilroy CA 649C ONVOY, LLC - CA 722      
669-206 A Sunnyvale CA 649C ONVOY, LLC - CA 722      
669-222 A Campbell CA 649C ONVOY, LLC - CA 722      

<< 1 2 3 4 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.