Local Calling Guide

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

NXX: 701

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-701 A Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560      
346-701 0 Houston TX   516C AT&T CORP. 560   2015-06-13   
346-701 1 Houston TX   516C AT&T CORP. 560   2015-06-13   
346-701 2 Houston TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2015-06-23   
346-701 3 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-02-07   
346-701 4 Houston TX   903C ONVOY, LLC - TX 560   2015-06-20   
346-701 5 Houston TX   903C ONVOY, LLC - TX 560   2015-06-20   
346-701 6 Houston TX   903C ONVOY, LLC - TX 560   2015-06-20   
346-701 7 Houston TX   318J COMCAST IP PHONE, LLC 560   2015-06-13   
346-701 8 Houston TX   318J COMCAST IP PHONE, LLC 560   2015-06-13   
346-701 9 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2015-06-13   

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

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