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: 582

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-582 A Dublin-San Ramon CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2026-08-17   
925-582 0 Dublin-San Ramon CA   649C ONVOY, LLC - CA 722   2026-08-17   
925-582 1 Dublin-San Ramon CA   649C ONVOY, LLC - CA 722   2026-08-17   
925-582 2 Dublin-San Ramon CA   649C ONVOY, LLC - CA 722   2026-08-17   
925-582 3 Dublin-San Ramon CA   6529 T-MOBILE USA, INC. 722   2026-08-18   
925-582 4 Dublin-San Ramon CA   6529 T-MOBILE USA, INC. 722   2026-08-18   
925-582 5 Dublin-San Ramon CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2026-10-02   
925-582 6 Dublin-San Ramon CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2026-11-23   
925-582 7 Dublin-San Ramon CA   649C ONVOY, LLC - CA 722   2026-09-20   
925-582 8 Dublin-San Ramon CA   649C ONVOY, LLC - CA 722   2026-09-20   
925-582 9 Dublin-San Ramon CA   649C ONVOY, LLC - CA 722   2026-09-20   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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