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: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 343

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-343 A Aubrey TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-343 0 Aubrey TX DLLSTX97X6X  145J TERRA NOVA TELECOM INC. 552   2022-01-05   
940-343 1 Aubrey TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2022-05-29   
940-343 2 Aubrey TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2022-05-29   
940-343 3 Aubrey TX   939H COMMIO LLC 552   2022-12-08   
940-343 4 Aubrey TX DLLSTX97X9X  516J TON80 COMMUNICATIONS LLC 552   2021-10-07   
940-343 5 Aubrey TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   
940-343 6 Aubrey TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS LLC 552   2014-05-19   
940-343 7 Aubrey TX DLLSTXSQDS4  327E YMAX COMMUNICATIONS CORP. - TX 552   2009-07-23   
940-343 8 Aubrey TX DLLSTXSQDS4  327E YMAX COMMUNICATIONS CORP. - TX 552   2009-07-23   
940-343 9 Aubrey TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      

Last updated: Tue, 24 Jan 2023 03:01:57 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.