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: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-998 A Weslaco TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-998 0 Weslaco TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-06-19   
956-998 1 Weslaco TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2013-01-12   
956-998 2 Weslaco TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2013-01-12   
956-998 3 Weslaco TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-10   
956-998 4 Weslaco TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2014-05-10   
956-998 5 Weslaco TX HRLNTXHGMMD  004F BANDWIDTH.COM CLEC, LLC - TX 568   2013-03-28   
956-998 6 Weslaco TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2013-03-09   
956-998 7 Weslaco TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2012-03-22   
956-998 8 Weslaco TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-08-25   
956-998 9 Weslaco TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2011-08-25   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.