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
956-525 A Brownsville TX HRLNTXFP2MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-525 0 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2007-02-04   
956-525 1 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2007-02-04   
956-525 2 Brownsville TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2006-07-01   
956-525 3 Brownsville TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568   2006-10-10   
956-525 4 Brownsville TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 568   2006-07-28   
956-525 5 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-04-16   
956-525 6 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-03-04   
956-525 7 Brownsville TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2014-11-24   
956-525 8 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-03-04   
956-525 9 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2006-11-20   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.