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: 329

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-329 A Salinas CA   478J NUSO, LLC 736   2025-06-12   
831-329 0 Salinas CA   073H TELNYX LLC 736   2025-09-11   
831-329 1 Salinas CA   478J NUSO, LLC 736   2025-06-12   
831-329 2 Salinas CA   649C ONVOY, LLC - CA 736   2026-06-14   
831-329 8 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2025-06-30   
831-329 9 Salinas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2025-08-11   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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