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: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-220 A Piru CA LSANCAJW7MD  939H COMMIO, LLC 730      
820-220 0 Piru CA LSANCAJW7MD  939H COMMIO, LLC 730   2023-10-14   
820-220 1 Piru CA LSANCAJW7MD  939H COMMIO, LLC 730   2023-10-14   
820-220 2 Piru CA LSANCAJW7MD  939H COMMIO, LLC 730   2023-10-14   
820-220 3 Piru CA LSANCAJW7MD  939H COMMIO, LLC 730   2023-10-14   
820-220 4 Piru CA LSANCAJW7MD  939H COMMIO, LLC 730   2023-10-14   
820-220 8 Piru CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-01-04   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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