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: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-328 A Salinas CA   649C ONVOY, LLC - CA 736   2025-05-04   
831-328 0 Salinas CA   649C ONVOY, LLC - CA 736   2025-05-04   
831-328 1 Salinas CA   624H ONVOY SPECTRUM, LLC 736   2025-05-16   
831-328 2 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2025-05-05   
831-328 3 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2025-06-23   
831-328 8 Salinas CA   624H ONVOY SPECTRUM, LLC 736   2025-05-16   
831-328 9 Salinas CA   624H ONVOY SPECTRUM, LLC 736   2025-05-16   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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