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: 538

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-538 A Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-03-11   
925-538 0 Antioch CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-09-10   
925-538 1 Antioch CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-10-16   
925-538 2 Antioch CA   6529 T-MOBILE USA, INC. 722   2024-07-21   
925-538 3 Antioch CA   6529 T-MOBILE USA, INC. 722   2024-03-11   
925-538 4 Antioch CA   6529 T-MOBILE USA, INC. 722   2024-03-11   
925-538 5 Antioch CA   6529 T-MOBILE USA, INC. 722   2024-03-11   
925-538 6 Antioch CA   6529 T-MOBILE USA, INC. 722   2024-03-11   
925-538 7 Antioch CA   6529 T-MOBILE USA, INC. 722   2024-03-11   
925-538 8 Antioch CA   6529 T-MOBILE USA, INC. 722   2024-03-11   
925-538 9 Antioch CA   6529 T-MOBILE USA, INC. 722   2024-03-11   

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

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