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: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-243 A Camarillo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2025-11-23   
820-243 0 Camarillo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2025-11-23   
820-243 1 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-10-23   
820-243 2 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-10-23   
820-243 3 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-10-23   
820-243 4 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-10-23   
820-243 5 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-10-23   
820-243 6 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-10-23   
820-243 7 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-10-23   
820-243 8 Camarillo CA   649C ONVOY, LLC - CA 730   2026-08-30   
820-243 9 Camarillo CA   649C ONVOY, LLC - CA 730   2026-08-30   

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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