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: 353

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-353 A Modesto CA   490J BOOST SUBSCRIBERCO L.L.C. 738   2025-10-25   
350-353 0 Modesto CA   649C ONVOY, LLC - CA 738   2025-10-27   
350-353 1 Modesto CA   649C ONVOY, LLC - CA 738   2025-10-27   
350-353 2 Modesto CA   649C ONVOY, LLC - CA 738   2025-11-09   
350-353 3 Modesto CA   490J BOOST SUBSCRIBERCO L.L.C. 738   2025-10-25   
350-353 4 Modesto CA   649C ONVOY, LLC - CA 738   2025-11-09   
350-353 5 Modesto CA   649C ONVOY, LLC - CA 738   2025-11-09   
350-353 6 Modesto CA   649C ONVOY, LLC - CA 738   2025-11-09   
350-353 7 Modesto CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-10-27   
350-353 8 Modesto CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-11-12   
350-353 9 Modesto CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-12-20   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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