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: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-544 A Antioch CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-05-31   
925-544 0 Antioch CA   624H ONVOY SPECTRUM, LLC 722   2025-06-02   
925-544 1 Antioch CA   624H ONVOY SPECTRUM, LLC 722   2025-06-02   
925-544 2 Antioch CA   6529 T-MOBILE USA, INC. 722   2025-06-05   
925-544 3 Antioch CA   6529 T-MOBILE USA, INC. 722   2025-06-05   
925-544 4 Antioch CA   6529 T-MOBILE USA, INC. 722   2025-06-05   
925-544 5 Antioch CA   6529 T-MOBILE USA, INC. 722   2025-06-05   
925-544 6 Antioch CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-10-16   
925-544 7 Antioch CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-06-19   
925-544 8 Antioch CA   624H ONVOY SPECTRUM, LLC 722   2025-06-02   
925-544 9 Antioch CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-05-31   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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