Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-270 A Salinas CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736      
831-270 0 Salinas CA   624H ONVOY SPECTRUM, LLC 736   2024-01-05   
831-270 1 Salinas CA   939H COMMIO, LLC 736   2024-01-29   
831-270 2 Salinas CA   649C ONVOY, LLC - CA 736   2024-02-23   
831-270 3 Salinas CA   649C ONVOY, LLC - CA 736   2024-02-23   
831-270 4 Salinas CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736   2022-08-12   
831-270 6 Salinas CA   649C ONVOY, LLC - CA 736   2024-02-23   
831-270 7 Salinas CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736   2022-08-12   
831-270 8 Salinas CA   939H COMMIO, LLC 736   2024-01-29   
831-270 9 Salinas CA   649C ONVOY, LLC - CA 736   2024-02-23   

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

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