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: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-378 A Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560      
346-378 0 Houston Suburban TX   515J IP HORIZON LLC 560   2019-05-18   
346-378 1 Houston Suburban TX   515J IP HORIZON LLC 560   2019-05-18   
346-378 2 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2019-03-21   
346-378 3 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2019-03-21   
346-378 4 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2019-03-21   
346-378 5 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2019-03-21   
346-378 6 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2019-03-21   
346-378 7 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2019-05-20   
346-378 8 Houston Suburban TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2019-06-30   
346-378 9 Houston Suburban TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2019-07-22   

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

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