Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-241 A Houston TX   903C ONVOY, LLC - TX 560      
346-241 0 Houston TX   903C ONVOY, LLC - TX 560   2016-08-05   
346-241 1 Houston TX   903C ONVOY, LLC - TX 560   2016-08-05   
346-241 2 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-07-18   
346-241 3 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-09-15   
346-241 4 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2016-09-15   
346-241 5 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-08-02   
346-241 6 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2016-12-09   
346-241 7 Houston TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2017-08-16   
346-241 8 Houston TX   903C ONVOY, LLC - TX 560   2016-09-16   
346-241 9 Houston TX   903C ONVOY, LLC - TX 560   2016-09-16   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.