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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-942 A Richmond CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722      
510-942 0 Richmond CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-03-28   
510-942 1 Richmond CA   6529 T-MOBILE USA, INC. 722   2015-06-05   
510-942 2 Richmond CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2015-01-29   
510-942 3 Richmond CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2015-01-29   
510-942 4 Richmond CA   7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2015-01-29   
510-942 5 Richmond CA   6664 SPRINT SPECTRUM L.P. 722   2015-05-11   
510-942 6 Richmond CA   6664 SPRINT SPECTRUM L.P. 722   2015-05-11   
510-942 7 Richmond CA   6664 SPRINT SPECTRUM L.P. 722   2015-05-11   
510-942 8 Richmond CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-12-29   
510-942 9 Richmond CA   6664 SPRINT SPECTRUM L.P. 722   2015-04-21   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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