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: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-457 A Katy TX HSTNTXYAPMD  495J STRATUS NETWORKS 560   2021-05-07   
346-457 0 Katy TX HSTNTX362MD  939H COMMIO LLC 560   2021-06-05   
346-457 1 Katy TX HSTNTXYAPMD  495J STRATUS NETWORKS 560   2021-05-07   
346-457 2 Katy TX HSTNTX362MD  939H COMMIO LLC 560   2021-06-05   
346-457 3 Katy TX HSTNTX362MD  939H COMMIO LLC 560   2021-06-05   
346-457 4 Katy TX HSTNTX362MD  939H COMMIO LLC 560   2021-06-05   
346-457 5 Katy TX HSTNTX362MD  939H COMMIO LLC 560   2021-06-05   
346-457 6 Katy TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2022-01-22   
346-457 7 Katy TX HSTNTXMOX7X  318J COMCAST IP PHONE LLC 560   2021-08-30   
346-457 8 Katy TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-09-06   
346-457 9 Katy TX HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2021-09-06   

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

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