Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 471

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-471 A Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-471 0 Concord CA   485E ASTOUND BROADBAND, LLC - CA 722   2014-10-17   
925-471 1 Concord CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-06-16   
925-471 2 Concord CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-12-24   
925-471 3 Concord CA   649C ONVOY, LLC - CA 722   2023-10-29   
925-471 4 Concord CA   649C ONVOY, LLC - CA 722   2016-01-12   
925-471 5 Concord CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-05-11   
925-471 6 Concord CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-05-11   
925-471 7 Concord CA   649C ONVOY, LLC - CA 722   2014-10-31   
925-471 8 Concord CA   649C ONVOY, LLC - CA 722   2014-10-24   
925-471 9 Concord CA   649C ONVOY, LLC - CA 722   2014-10-24   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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