Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 350 [Rate centres in NPA 350] [Dial plan for NPA 350]

NXX: 242

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-242 A Stockton CA   478J NUSO, LLC 738   2025-06-12   
350-242 0 Stockton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2026-07-20   
350-242 1 Stockton CA   478J NUSO, LLC 738   2025-06-12   
350-242 2 Stockton CA   649C ONVOY, LLC - CA 738   2026-03-14   
350-242 3 Stockton CA   649C ONVOY, LLC - CA 738   2026-02-06   
350-242 4 Stockton CA   649C ONVOY, LLC - CA 738   2026-02-06   
350-242 5 Stockton CA   649C ONVOY, LLC - CA 738   2026-02-06   
350-242 6 Stockton CA   649C ONVOY, LLC - CA 738   2025-11-10   
350-242 7 Stockton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2026-08-20   
350-242 8 Stockton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2026-09-21   

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

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