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: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-227 A Tracy CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-08-26   
350-227 0 Tracy CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-08-26   
350-227 1 Tracy CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-11-02   
350-227 2 Tracy CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-08-31   
350-227 3 Tracy CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-01-13   
350-227 4 Tracy CA   649C ONVOY, LLC - CA 738   2025-05-10   
350-227 7 Tracy CA SKTNCACZ7MD  145J TERRA NOVA TELECOM INC. 738   2024-10-12   
350-227 9 Tracy CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-10-19   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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