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: 247

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-247 A Newbury Park CA   649C ONVOY, LLC - CA 730   2026-04-11   
820-247 0 Newbury Park CA   649C ONVOY, LLC - CA 730   2026-04-11   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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