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: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-210 A Tuolumne CA SKTNCA01XFY  649C ONVOY, LLC - CA 738      
350-210 0 Tuolumne CA SKTNCA01XIZ  073H TELNYX LLC 738   2023-09-29   
350-210 1 Tuolumne CA SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2023-12-15   
350-210 2 Tuolumne CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-08-21   
350-210 7 Tuolumne CA SKTNCA01XPZ  318J COMCAST IP PHONE, LLC 738   2024-04-22   
350-210 8 Tuolumne CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-04-10   
350-210 9 Tuolumne CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-08-10   

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

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