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: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-254 A Tracy CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2026-02-06   
350-254 0 Tracy CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2026-06-12   
350-254 1 Tracy CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2026-06-16   
350-254 2 Tracy CA SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2026-07-17   
350-254 8 Tracy CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2026-02-06   
350-254 9 Tracy CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2026-02-06   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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