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.

Switch: HRLNTXDU5MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-297 7 Roma TX 490J DISH WIRELESS, LLC 568      
956-507 3 Harlingen TX 490J DISH WIRELESS, LLC 568      
956-634 9 Mercedes TX 490J DISH WIRELESS, LLC 568      
956-670 A Edinburg TX 490J DISH WIRELESS, LLC 568      
956-670 9 Edinburg TX 490J DISH WIRELESS, LLC 568      
956-674 A Los Fresnos TX 490J DISH WIRELESS, LLC 568      
956-674 9 Los Fresnos TX 490J DISH WIRELESS, LLC 568      
956-675 A Lyford TX 490J DISH WIRELESS, LLC 568      
956-675 9 Lyford TX 490J DISH WIRELESS, LLC 568      
956-779 9 Sullivan City TX 490J DISH WIRELESS, LLC 568      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.