Local Calling Guide

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NPA: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-570 A Houston Suburban TX HSTOTX42DS2  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
346-570 0 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-12-24   
346-570 1 Houston Suburban TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2016-12-24   
346-570 2 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2017-09-04   
346-570 3 Houston Suburban TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-09-15   
346-570 4 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2016-10-29   
346-570 5 Houston Suburban TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2017-05-18   
346-570 6 Houston Suburban TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-08-01   
346-570 7 Houston Suburban TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-08-01   
346-570 8 Houston Suburban TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-08-01   
346-570 9 Houston Suburban TX HSTNTX01DS5  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2017-08-01   

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

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