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: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-531 A Lafayette CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-01-27   
925-531 0 Lafayette CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-01-27   
925-531 9 Lafayette CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-10-26   

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

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