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.

Fountain Run, KY

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
270-434 A GLSGKYXRDS0  0418 SO CENTRAL RURAL TELECOMM COOPERATIVE, INC. 462      
270-434 2   0418 SO CENTRAL RURAL TELECOMM COOPERATIVE, INC. 462      
270-434 3   0418 SO CENTRAL RURAL TELECOMM COOPERATIVE, INC. 462      
270-434 4   0418 SO CENTRAL RURAL TELECOMM COOPERATIVE, INC. 462      
270-434 5   145J TERRA NOVA TELECOM INC. 462   2025-05-28   
270-434 6   480F CORETEL KENTUCKY, INC. - KY 462   2019-04-03   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.