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: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-307 A Katy TX HSTOTX46DS0  7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560      
346-307 0 Katy TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-11-03   
346-307 1 Katy TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-11-03   
346-307 2 Katy TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-11-03   
346-307 3 Katy TX HSTOTX46DS0  7239 MCI WORLDCOM COMMUNICATIONS, INC. - TX 560   2015-10-03   
346-307 4 Katy TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-11-03   
346-307 5 Katy TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-11-03   
346-307 6 Katy TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-11-03   
346-307 7 Katy TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2016-01-18   
346-307 8 Katy TX HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2016-01-14   
346-307 9 Katy TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-01-22   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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