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: 603

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-603 A Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-603 0 Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-603 1 Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-603 2 Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-603 3 Concord CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-03-04   
925-603 4 Concord CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2019-05-26   
925-603 5 Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-603 6 Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-603 7 Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-603 8 Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      
925-603 9 Concord CA CNCRCA01DS1  9740 PACIFIC BELL 722      

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

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