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: 270 [Rate centres in NPA 270] [Dial plan for NPA 270]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
270-587 A Franklin KY   939H COMMIO, LLC 464      
270-587 1 Franklin KY OWBOKYMM0MD  939H COMMIO, LLC 464   2022-07-21   
270-587 8 Franklin KY   824J OPENTACT INC. 464   2026-04-23   
270-587 9 Franklin KY MDVIKYMAX4Y  515J IP HORIZON LLC 464   2024-04-20   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.