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: 540

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-540 A Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
925-540 0 Danville CA   6529 T-MOBILE USA, INC. 722   2025-07-18   
925-540 8 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
925-540 9 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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