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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-320 A Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
346-320 0 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2017-08-05   
346-320 1 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-13   
346-320 2 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2016-09-27   
346-320 3 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2016-09-27   
346-320 4 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2016-09-27   
346-320 5 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-10-15   
346-320 6 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-06-12   
346-320 7 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-06-12   
346-320 8 Houston TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2017-07-05   
346-320 9 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2016-01-23   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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