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: 741

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-741 A Houston TX HSTNTXJAX1Z  839J EON TELECOM, INC. 560   2024-01-18   
346-741 0 Houston TX   939H COMMIO, LLC 560   2024-01-19   
346-741 1 Houston TX   839J EON TELECOM, INC. 560   2024-01-18   
346-741 2 Houston TX   490J DISH WIRELESS, LLC 560   2024-01-24   
346-741 3 Houston TX   490J DISH WIRELESS, LLC 560   2024-03-23   
346-741 4 Houston TX   490J DISH WIRELESS, LLC 560   2024-06-21   
346-741 5 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2024-03-14   
346-741 6 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2024-03-14   
346-741 7 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2024-03-14   
346-741 8 Houston TX   939H COMMIO, LLC 560   2024-01-19   
346-741 9 Houston TX   939H COMMIO, LLC 560   2024-01-19   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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