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
510-447 A Richmond CA OKLDCA61CM0  6664 SPRINT SPECTRUM L.P. 722   2012-02-09   
510-447 0 Richmond CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-08-23   
510-447 1 Richmond CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-06-17   
510-447 2 Richmond CA   7262 XO CALIFORNIA, INC. 722   2012-02-15   
510-447 3 Richmond CA   6664 SPRINT SPECTRUM L.P. 722   2012-07-27   
510-447 4 Richmond CA   293G MOSAIC NETWORX LLC - CA 722   2012-08-24   
510-447 5 Richmond CA   293G MOSAIC NETWORX LLC - CA 722   2012-08-24   
510-447 6 Richmond CA   293G MOSAIC NETWORX LLC - CA 722   2012-08-24   
510-447 7 Richmond CA   293G MOSAIC NETWORX LLC - CA 722   2012-08-24   
510-447 8 Richmond CA   293G MOSAIC NETWORX LLC - CA 722   2012-08-24   
510-447 9 Richmond CA   6664 SPRINT SPECTRUM L.P. 722   2012-02-09   

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

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