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.

Jamestown, KY

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
270-343 A RSSPKYXADS1  0401 DUO COUNTY TEL. COOP., INC. 462      
364-400 A LSVLKYAPDS4  480F CORETEL KENTUCKY, INC. - KY 462      
364-400 0 LSVLKYAPDS4  480F CORETEL KENTUCKY, INC. - KY 462   2019-04-18   
364-400 4 LSVLKYAP59Z  516J TON80 COMMUNICATIONS, LLC 462   2022-04-11   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.