Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX: 736

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-736 A Porter TX HSTQTX02EMD  197D VONAGE AMERICA LLC 560      
346-736 0 Porter TX   073H TELNYX LLC 560   2024-04-18   
346-736 1 Porter TX   197D VONAGE AMERICA LLC 560   2023-12-30   
346-736 2 Porter TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2024-12-20   
346-736 3 Porter TX   903C ONVOY, LLC - TX 560   2025-03-02   
346-736 4 Porter TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2026-01-17   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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