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: 491

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-491 A Antioch CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-491 0 Antioch CA   6529 T-MOBILE USA, INC. 722   2025-07-25   
925-491 1 Antioch CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-08-03   
925-491 2 Antioch CA   649C ONVOY, LLC - CA 722   2023-11-01   
925-491 3 Antioch CA   6529 T-MOBILE USA, INC. 722   2024-08-03   
925-491 4 Antioch CA   6529 T-MOBILE USA, INC. 722   2024-01-31   
925-491 5 Antioch CA   6529 T-MOBILE USA, INC. 722   2023-12-15   
925-491 6 Antioch CA   6529 T-MOBILE USA, INC. 722   2023-12-15   
925-491 7 Antioch CA   6529 T-MOBILE USA, INC. 722   2023-12-15   
925-491 8 Antioch CA   6529 T-MOBILE USA, INC. 722   2023-12-15   
925-491 9 Antioch CA   6529 T-MOBILE USA, INC. 722   2023-12-15   

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

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