Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

NXX: 369

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-369 A Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-369 0 Richmond CA   649C ONVOY, LLC - CA 722   2016-04-04   
510-369 1 Richmond CA   649C ONVOY, LLC - CA 722   2016-04-04   
510-369 2 Richmond CA   649C ONVOY, LLC - CA 722   2016-04-05   
510-369 3 Richmond CA   649C ONVOY, LLC - CA 722   2016-04-05   
510-369 4 Richmond CA   649C ONVOY, LLC - CA 722   2016-04-23   
510-369 5 Richmond CA   649C ONVOY, LLC - CA 722   2016-04-23   
510-369 6 Richmond CA   649C ONVOY, LLC - CA 722   2016-05-05   
510-369 7 Richmond CA   649C ONVOY, LLC - CA 722   2016-05-05   
510-369 8 Richmond CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-04-18   
510-369 9 Richmond CA   6529 T-MOBILE USA, INC. 722   2016-04-05   

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

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