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: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-204 A Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
820-204 0 Camarillo CA   649C ONVOY, LLC - CA 730   2021-09-04   
820-204 1 Camarillo CA   649C ONVOY, LLC - CA 730   2021-09-04   
820-204 2 Camarillo CA   649C ONVOY, LLC - CA 730   2021-09-04   
820-204 3 Camarillo CA   649C ONVOY, LLC - CA 730   2021-09-04   
820-204 5 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-04   
820-204 6 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-04   
820-204 7 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-04   
820-204 8 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-03   
820-204 9 Camarillo CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-03   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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