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: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-255 A Edcouch TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568      
956-255 0 Edcouch TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2009-02-13   
956-255 1 Edcouch TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2012-10-20   
956-255 2 Edcouch TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-12   
956-255 3 Edcouch TX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 568   2014-10-01   
956-255 4 Edcouch TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2017-07-31   
956-255 5 Edcouch TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2016-07-18   
956-255 6 Edcouch TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2012-03-12   
956-255 7 Edcouch TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-09-28   
956-255 8 Edcouch TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2015-03-05   
956-255 9 Edcouch TX   004F BANDWIDTH.COM CLEC, LLC - TX 568   2017-03-23   

Last updated: Wed, 05 Feb 2020 02:15:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.