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: WCFLTXNIEMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-224 A Wichita Falls TX 6664 SPRINT SPECTRUM L.P. 548      
940-473 A Vernon TX 6664 SPRINT SPECTRUM L.P. 548      
940-642 A Wichita Falls TX 6664 SPRINT SPECTRUM L.P. 548      
940-923 A Wichita Falls TX 6664 SPRINT SPECTRUM L.P. 548      

Last updated: Sun, 31 May 2020 11:59:01 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.