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: 890

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-890 A Mission TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568      
956-890 0 Mission TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568   2010-10-18   
956-890 1 Mission TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2007-11-12   
956-890 2 Mission TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-11-17   
956-890 3 Mission TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-11-17   
956-890 4 Mission TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-11-17   
956-890 5 Mission TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2010-12-13   
956-890 6 Mission TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-11-14   
956-890 7 Mission TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-11-14   
956-890 8 Mission TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2007-11-14   
956-890 9 Mission TX HRLNTXKX3MD  4290 STPCS JOINT VENTURE, LLC 568   2007-07-23   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.