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: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-521 A Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-521 0 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-521 1 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-521 2 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-521 3 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-521 4 Concord CA OKLECAZVGT0  5562 METRO PCS, INC. 722   2006-03-10   
925-521 5 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-521 6 Concord CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-09-14   
925-521 7 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      
925-521 8 Concord CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-08-14   
925-521 9 Concord CA CNCRCA01DS0  9740 PACIFIC BELL 722      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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