Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
510-392 4 El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-04-04   
510-392 5 El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-04-04   
510-392 6 El Sobrante-Pinole CA 649C ONVOY, LLC - CA 722   2024-04-04   
510-395 8 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2005-11-25   
510-397 3 Hayward CA 649C ONVOY, LLC - CA 722   2008-10-18   
510-397 4 Hayward CA 649C ONVOY, LLC - CA 722   2008-10-18   
510-397 5 Hayward CA 649C ONVOY, LLC - CA 722   2008-10-18   
510-397 7 Hayward CA 649C ONVOY, LLC - CA 722   2010-04-22   
510-398 4 Hayward CA 649C ONVOY, LLC - CA 722   2013-01-17   
510-399 A Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-399 0 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2016-07-07   
510-399 1 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2016-07-07   
510-399 2 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2016-07-07   
510-401 3 Fremont-Newark: Greenleaf DA CA 649C ONVOY, LLC - CA 722   2013-01-17   
510-405 A Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-406 7 Oakland: Main-Piedmont DA CA 649C ONVOY, LLC - CA 722   2008-12-03   
510-413 7 Fremont-Newark: Oliver DA CA 649C ONVOY, LLC - CA 722   2009-12-18   
510-422 0 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2016-03-03   
510-422 1 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2016-03-03   
510-422 2 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2016-02-26   
510-422 4 Oakland: Fruitvale DA CA 649C ONVOY, LLC - CA 722   2016-02-26   
510-423 5 Oakland: Berkeley DA CA 649C ONVOY, LLC - CA 722   2009-01-17   
510-426 9 Richmond CA 649C ONVOY, LLC - CA 722   2016-02-01   
510-431 7 Fremont-Newark: Greenleaf DA CA 649C ONVOY, LLC - CA 722   2009-12-18   
510-439 A Richmond CA 649C ONVOY, LLC - CA 722      
510-439 0 Richmond CA 649C ONVOY, LLC - CA 722      
510-439 1 Richmond CA 649C ONVOY, LLC - CA 722      
510-439 2 Richmond CA 649C ONVOY, LLC - CA 722      
510-439 5 Richmond CA 649C ONVOY, LLC - CA 722   2003-01-08   
510-439 9 Richmond CA 649C ONVOY, LLC - CA 722   2006-01-09   
510-443 1 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2009-04-13   
510-443 2 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2009-04-13   
510-443 3 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2009-04-13   
510-443 4 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2009-04-13   
510-443 6 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2009-04-13   
510-443 7 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2009-04-13   
510-443 8 Fremont-Newark: Main DA CA 649C ONVOY, LLC - CA 722   2009-04-13   
510-447 4 Richmond CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-447 5 Richmond CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-447 6 Richmond CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-447 7 Richmond CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-447 8 Richmond CA 649C ONVOY, LLC - CA 722   2012-08-24   
510-454 9 Oakland: Trinidad DA CA 649C ONVOY, LLC - CA 722   2013-03-28   
510-455 5 Crockett CA 649C ONVOY, LLC - CA 722   2013-03-28   
510-455 7 Crockett CA 649C ONVOY, LLC - CA 722   2013-01-17   
510-455 8 Crockett CA 649C ONVOY, LLC - CA 722   2009-12-18   
510-462 A Fremont-Newark: Greenleaf DA CA 649C ONVOY, LLC - CA 722   2024-01-21   
510-462 0 Fremont-Newark: Greenleaf DA CA 649C ONVOY, LLC - CA 722   2016-06-10   
510-462 1 Fremont-Newark: Greenleaf DA CA 649C ONVOY, LLC - CA 722   2016-06-10   
510-462 3 Fremont-Newark: Greenleaf DA CA 649C ONVOY, LLC - CA 722   2016-08-07   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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