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.

OCN: 419C ARMSTRONG TELECOMMUNICATIONS, INC. - KY

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
606-255 5 Grayson KY ASLDKYXAYMD  466      
606-314 1 Greenup KY ASLDKYXAYMD  466      
606-371 1 Ashland KY ASLDKYXAYMD  466      
606-388 0 Russell KY ASLDKYXAYMD  466      
606-405 0 Catlettsburg KY ASLDKYXAYMD  466      
606-498 0 South Shore KY ASLDKYXAYMD  466      
606-585 A Meads KY ASLDKYXAYMD  466      
606-585 0 Meads KY ASLDKYXAYMD  466      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.