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.

Minor Hill, TN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
931-471 A NSVMTN177MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 470   2026-02-12   
931-471 8 NSVMTN177MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 470   2026-02-12   
931-565 A ARMRALXADS0  0280 ARDMORE TEL. CO., INC. 470      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.