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: 670

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-670 A Edinburg TX HRLNTXDU5MD  490J DISH WIRELESS, LLC 568      
956-670 0 Edinburg TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-670 1 Edinburg TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-670 2 Edinburg TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-670 3 Edinburg TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-670 4 Edinburg TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-670 5 Edinburg TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-670 6 Edinburg TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-670 7 Edinburg TX HRLNTXHGXOX  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 568      
956-670 8 Edinburg TX HRLNTXHGX1X  903C ONVOY, LLC - TX 568      
956-670 9 Edinburg TX HRLNTXDU5MD  490J DISH WIRELESS, LLC 568      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.