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: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-437 A Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-437 0 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2020-11-10   
346-437 1 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2020-11-10   
346-437 2 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2020-11-10   
346-437 3 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2020-11-10   
346-437 4 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2020-11-09   
346-437 5 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2020-11-09   
346-437 6 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2020-11-09   
346-437 7 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2020-11-10   
346-437 8 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2020-11-10   
346-437 9 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2020-11-10   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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