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: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-333 A Langham Creek TX HSTNTXJADS6  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 560      
346-333 0 Langham Creek TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-10-10   
346-333 1 Langham Creek TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-10-10   
346-333 2 Langham Creek TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-10-10   
346-333 3 Langham Creek TX HSTNTXJADS6  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 560   2014-07-01   
346-333 4 Langham Creek TX   145J TERRA NOVA TELECOM INC. 560   2021-05-15   
346-333 5 Langham Creek TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-03-06   
346-333 6 Langham Creek TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-03-06   
346-333 7 Langham Creek TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-03-06   
346-333 8 Langham Creek TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-16   
346-333 9 Langham Creek TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-04-16   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.