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: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 970

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-970 A Burkburnett TX WCFLTXFGHMD  612K CSC VOICE, LLC 548      
940-970 5 Burkburnett TX   612K CSC VOICE, LLC 548   2024-05-25   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.