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: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-505 A Livermore CA SNJUCACL00Z  490J DISH WIRELESS, LLC 722      
925-505 0 Livermore CA   649C ONVOY, LLC - CA 722   2023-09-11   
925-505 1 Livermore CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2023-10-21   
925-505 2 Livermore CA   6529 T-MOBILE USA, INC. 722   2024-06-03   
925-505 3 Livermore CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-11-30   
925-505 4 Livermore CA   649C ONVOY, LLC - CA 722   2022-12-16   
925-505 6 Livermore CA   6529 T-MOBILE USA, INC. 722   2024-09-18   
925-505 7 Livermore CA   6529 T-MOBILE USA, INC. 722   2024-09-18   
925-505 8 Livermore CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2023-05-16   
925-505 9 Livermore CA   490J DISH WIRELESS, LLC 722   2022-09-29   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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