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: 241

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-241 A Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-241 0 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-08-05   
346-241 1 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-08-05   
346-241 2 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-07-18   
346-241 3 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-09-15   
346-241 4 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-09-15   
346-241 5 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-08-02   
346-241 6 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-12-09   
346-241 7 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-16   
346-241 8 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-09-16   
346-241 9 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-09-16   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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