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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-489 A Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-489 0 Antioch CA   649C ONVOY, LLC - CA 722   2021-04-02   
925-489 1 Antioch CA   649C ONVOY, LLC - CA 722   2021-04-02   
925-489 2 Antioch CA   649C ONVOY, LLC - CA 722   2021-04-02   
925-489 3 Antioch CA   6529 T-MOBILE USA, INC. 722   2021-01-16   
925-489 4 Antioch CA   6529 T-MOBILE USA, INC. 722   2021-01-16   
925-489 5 Antioch CA   6529 T-MOBILE USA, INC. 722   2021-01-16   
925-489 6 Antioch CA   6529 T-MOBILE USA, INC. 722   2021-01-16   
925-489 7 Antioch CA   6529 T-MOBILE USA, INC. 722   2021-01-16   
925-489 8 Antioch CA   6529 T-MOBILE USA, INC. 722   2020-12-17   
925-489 9 Antioch CA   6529 T-MOBILE USA, INC. 722   2020-12-17   

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

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