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: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-777 A Galt CA SKTNCACZ7MD  145J TERRA NOVA TELECOM INC. 738      
350-777 0 Galt CA SKTNCA01XIZ  073H TELNYX LLC 738   2023-02-12   
350-777 1 Galt CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2023-09-10   
350-777 2 Galt CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-07-27   
350-777 3 Galt CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-01-12   
350-777 4 Galt CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-01-12   
350-777 5 Galt CA   649C ONVOY, LLC - CA 738   2025-11-28   
350-777 6 Galt CA   649C ONVOY, LLC - CA 738   2026-05-30   
350-777 7 Galt CA   145J TERRA NOVA TELECOM INC. 738   2022-12-04   
350-777 8 Galt CA SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2023-12-11   
350-777 9 Galt CA SKTNCACZDS2  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2023-03-19   

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

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