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.

Switch: ASLDKYXAX3X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
606-385 8 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2020-01-16   
606-385 9 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2020-01-16   
606-388 2 Russell KY 793K TWC IP ENABLED SERVICES, LLC 466   2012-02-01   
606-388 4 Russell KY 793K TWC IP ENABLED SERVICES, LLC 466   2007-03-13   
606-393 1 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2015-01-23   
606-393 3 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2009-11-05   
606-393 5 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2006-12-04   
606-420 A Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466      
606-420 0 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2017-11-12   
606-420 1 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2020-01-16   
606-420 2 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2020-01-16   
606-420 4 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2012-02-01   
606-420 5 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2019-12-08   
606-420 6 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2019-12-08   
606-420 7 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2019-12-08   
606-420 8 Ashland KY 793K TWC IP ENABLED SERVICES, LLC 466   2019-12-08   
606-498 4 South Shore KY 793K TWC IP ENABLED SERVICES, LLC 466   2007-07-11   
606-694 8 Meads KY 793K TWC IP ENABLED SERVICES, LLC 466   2007-12-03   
606-713 2 Grayson KY 793K TWC IP ENABLED SERVICES, LLC 466   2026-03-15   
606-750 1 Greenup KY 793K TWC IP ENABLED SERVICES, LLC 466   2025-06-15   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.