Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

NXX: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-250 A Ojai CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-10-23   
820-250 9 Ojai CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-10-23   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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