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: 658

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-658 A Walnut Creek CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-658 0 Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-07-09   
925-658 1 Walnut Creek CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-658 2 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-05-18   
925-658 3 Walnut Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-02-28   
925-658 4 Walnut Creek CA   6529 T-MOBILE USA, INC. 722   2025-04-02   
925-658 5 Walnut Creek CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-03-03   
925-658 6 Walnut Creek CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-658 7 Walnut Creek CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-658 8 Walnut Creek CA OKLECAZV1MD  5562 METROPCS, INC. 722   2008-03-31   
925-658 9 Walnut Creek CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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