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: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-254 A Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   
820-254 0 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   
820-254 1 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   
820-254 2 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   
820-254 3 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   
820-254 4 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   
820-254 5 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   
820-254 6 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   
820-254 7 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   
820-254 8 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   
820-254 9 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-11-20   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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