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
956-205 A Mission TX MSSNTXMIDS0  9533 SOUTHWESTERN BELL 568   2004-09-25   
956-205 0 Mission TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2006-01-21   
956-205 1 Mission TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2006-07-31   
956-205 2 Mission TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2006-10-17   
956-205 3 Mission TX   6664 SPRINT SPECTRUM L.P. 568   2006-06-25   
956-205 4 Mission TX   9533 SOUTHWESTERN BELL 568   2004-09-25   
956-205 5 Mission TX   6664 SPRINT SPECTRUM L.P. 568   2006-04-24   
956-205 6 Mission TX   9533 SOUTHWESTERN BELL 568   2004-09-25   
956-205 7 Mission TX   9533 SOUTHWESTERN BELL 568   2004-09-25   
956-205 8 Mission TX   6664 SPRINT SPECTRUM L.P. 568   2006-04-24   
956-205 9 Mission TX   6664 SPRINT SPECTRUM L.P. 568   2007-02-03   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.