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: 751

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-751 A Zapata TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-751 0 Zapata TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      
956-751 1 Zapata TX   903C ONVOY, LLC - TX 568      
956-751 8 Zapata TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568      
956-751 9 Zapata TX HRLNTXKX8MD  4290 STPCS JOINT VENTURE, LLC 568      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.