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: 248

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-248 A Santa Maria CA   649C ONVOY, LLC - CA 740   2026-09-14   
820-248 0 Santa Maria CA   649C ONVOY, LLC - CA 740   2026-09-14   
820-248 1 Santa Maria CA   649C ONVOY, LLC - CA 740   2026-09-14   
820-248 2 Santa Maria CA   6010 NEW CINGULAR WIRELESS PCS, LLC 740   2026-09-15   
820-248 3 Santa Maria CA   6010 NEW CINGULAR WIRELESS PCS, LLC 740   2026-09-15   
820-248 9 Santa Maria CA   649C ONVOY, LLC - CA 740   2026-09-15   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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