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
346-808 A Tomball TX   004F BANDWIDTH.COM CLEC, LLC - TX 560      
346-808 0 Tomball TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-08-02   
346-808 1 Tomball TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-08-02   
346-808 2 Tomball TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2015-08-02   
346-808 3 Tomball TX   516C AT&T CORP. 560   2015-08-31   
346-808 4 Tomball TX   903C ONVOY, LLC - TX 560   2016-01-04   
346-808 5 Tomball TX   8625 COMCAST PHONE OF TEXAS, LLC - TX 560   2015-09-14   
346-808 6 Tomball TX   903C ONVOY, LLC - TX 560   2016-01-04   
346-808 7 Tomball TX   8625 COMCAST PHONE OF TEXAS, LLC - TX 560   2016-12-05   
346-808 8 Tomball TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2016-05-11   
346-808 9 Tomball TX   997G LOCAL ACCESS LLC - TX 560   2016-03-28   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.