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
346-336 A Tomball TX   353D CHARTER FIBERLINK TX-CCO, LLC - TX 560      
346-336 0 Tomball TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-03-29   
346-336 1 Tomball TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2017-03-29   
346-336 6 Tomball TX   8625 COMCAST PHONE OF TEXAS, LLC - TX 560   2018-11-29   
346-336 7 Tomball TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2018-09-01   
346-336 8 Tomball TX   353D CHARTER FIBERLINK TX-CCO, LLC - TX 560   2016-10-27   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.