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: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-238 A Modesto CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-04-25   
350-238 0 Modesto CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-04-25   
350-238 1 Modesto CA   649C ONVOY, LLC - CA 738   2025-04-28   
350-238 2 Modesto CA   649C ONVOY, LLC - CA 738   2025-05-02   
350-238 3 Modesto CA   649C ONVOY, LLC - CA 738   2025-05-02   
350-238 4 Modesto CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-04-25   
350-238 5 Modesto CA   732J NUSO, LLC 738   2025-08-10   
350-238 7 Modesto CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 738   2025-04-28   
350-238 8 Modesto CA   649C ONVOY, LLC - CA 738   2025-04-28   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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