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: 865 [Rate centres in NPA 865] [Dial plan for NPA 865]

NXX: 813

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
865-813 A Oak Ridge TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474   2024-12-07   
865-813 0 Oak Ridge TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474      
865-813 1 Oak Ridge TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474      
865-813 2 Oak Ridge TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474      
865-813 3 Oak Ridge TN KNVNTNEC5MD  145J TERRA NOVA TELECOM INC. 474   2024-09-12   
865-813 4 Oak Ridge TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474      
865-813 5 Oak Ridge TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2019-07-26   
865-813 6 Oak Ridge TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2019-07-26   
865-813 7 Oak Ridge TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2024-07-08   
865-813 8 Oak Ridge TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2024-04-12   
865-813 9 Oak Ridge TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2024-04-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.