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: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-227 A Santa Maria CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2024-05-15   
820-227 0 Santa Maria CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2024-05-15   
820-227 1 Santa Maria CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2025-09-10   
820-227 2 Santa Maria CA SNBBCAXFXFY  624H ONVOY SPECTRUM, LLC 740   2025-01-30   
820-227 3 Santa Maria CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-06-06   
820-227 4 Santa Maria CA SNBBCAXFX1Y  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 740   2026-07-16   
820-227 6 Santa Maria CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2024-09-16   
820-227 7 Santa Maria CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2025-07-26   
820-227 8 Santa Maria CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2024-10-16   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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