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: 201

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-201 A Oxnard CA BLPKCAAFCM0  0051 SHELCOMM 730      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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