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
956-372 A Brownsville TX HRLNTXATUMD  516C AT&T CORP. 568   2006-08-19   
956-372 0 Brownsville TX   4290 STPCS JOINT VENTURE, LLC 568   2006-11-17   
956-372 1 Brownsville TX   516C AT&T CORP. 568   2006-08-19   
956-372 2 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-01-09   
956-372 3 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-03-04   
956-372 4 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-03-04   
956-372 5 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-03-04   
956-372 6 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-03-04   
956-372 7 Brownsville TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-03-04   
956-372 8 Brownsville TX   6664 SPRINT SPECTRUM L.P. 568   2006-10-31   
956-372 9 Brownsville TX   6664 SPRINT SPECTRUM L.P. 568   2006-10-31   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.