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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-203 A Dos Palos CA FRSNCA01TMD  939H COMMIO, LLC 728   2024-02-23   
350-203 0 Dos Palos CA FRSNCA01TMD  939H COMMIO, LLC 728   2024-02-23   
350-203 1 Dos Palos CA FRSNCA01TMD  939H COMMIO, LLC 728   2024-02-23   
350-203 2 Dos Palos CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2024-08-23   
350-203 3 Dos Palos CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728   2024-11-03   
350-203 4 Dos Palos CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728   2024-12-15   
350-203 5 Dos Palos CA   624H ONVOY SPECTRUM, LLC 728   2025-01-30   
350-203 6 Dos Palos CA   649C ONVOY, LLC - CA 728   2025-02-01   
350-203 7 Dos Palos CA   649C ONVOY, LLC - CA 728   2025-03-08   
350-203 8 Dos Palos CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728   2024-03-03   
350-203 9 Dos Palos CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728   2024-07-07   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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