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: 966

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-966 A Raymondville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-966 0 Raymondville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-966 1 Raymondville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2020-06-20   
956-966 2 Raymondville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2020-06-20   
956-966 3 Raymondville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2020-09-11   
956-966 4 Raymondville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2022-06-03   
956-966 5 Raymondville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2022-06-03   
956-966 6 Raymondville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-966 7 Raymondville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568   2008-08-29   
956-966 8 Raymondville TX RMVLTXXB6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2018-03-22   
956-966 9 Raymondville TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.