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.

Switch: HRLNTXHGMMD

<< 1 2 3 4 5 6

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-957 9 Edinburg TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2023-12-31   
956-996 A Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568      
956-996 0 Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-08-25   
956-997 3 Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-997 4 Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-997 5 Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-997 6 Mission TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-25   
956-998 3 Weslaco TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-10   
956-998 4 Weslaco TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-10   
956-998 5 Weslaco TX 004F BANDWIDTH.COM CLEC, LLC - TX 568   2013-03-28   

<< 1 2 3 4 5 6

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.