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: 606 [Rate centres in NPA 606] [Dial plan for NPA 606]

NXX: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
606-607 A South Williamson KY   896E ONVOY, LLC - KY 466      
606-607 0 South Williamson KY   624H ONVOY SPECTRUM, LLC 466      
606-607 4 South Williamson KY WNCHKYMAEMD  896E ONVOY, LLC - KY 466      
606-607 5 South Williamson KY WNCHKYMAEMD  896E ONVOY, LLC - KY 466      
606-607 9 South Williamson KY   515J IP HORIZON LLC 466      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.