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
956-408 A Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-408 0 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2009-01-24   
956-408 1 Brownsville TX   6664 SPRINT SPECTRUM L.P. 568   2009-06-22   
956-408 2 Brownsville TX   6664 SPRINT SPECTRUM L.P. 568   2009-07-17   
956-408 3 Brownsville TX   6664 SPRINT SPECTRUM L.P. 568   2009-08-18   
956-408 4 Brownsville TX   6664 SPRINT SPECTRUM L.P. 568   2010-02-22   
956-408 5 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2010-08-08   
956-408 6 Brownsville TX   6664 SPRINT SPECTRUM L.P. 568   2009-05-11   
956-408 7 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-06-12   
956-408 8 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-06-12   
956-408 9 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2008-04-14   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.