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
510-974 A Richmond CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-974 0 Richmond CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-11-13   
510-974 1 Richmond CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-11-13   
510-974 2 Richmond CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-11-10   
510-974 3 Richmond CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-11-13   
510-974 4 Richmond CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-11-13   
510-974 5 Richmond CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-11-13   
510-974 6 Richmond CA   6529 T-MOBILE USA, INC. 722   2014-12-13   
510-974 7 Richmond CA   649C ONVOY, LLC - CA 722   2014-11-27   
510-974 8 Richmond CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-11-11   
510-974 9 Richmond CA   6529 T-MOBILE USA, INC. 722   2014-11-11   

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

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