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: 352

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-352 A Houston TX HSTNTX01X7X  516C AT&T CORP. 560      
346-352 0 Houston TX HSTNTX01X7X  516C AT&T CORP. 560      
346-352 1 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-352 2 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-352 3 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-352 4 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
346-352 5 Houston TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-352 6 Houston TX HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
346-352 7 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-352 8 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-352 9 Houston TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.