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: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
865-401 A Mascot TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474      
865-401 0 Mascot TN   124F BANDWIDTH.COM CLEC, LLC - TN 474   2015-02-19   
865-401 1 Mascot TN   525E ONVOY, LLC - TN 474   2016-06-08   
865-401 2 Mascot TN   318J COMCAST IP PHONE, LLC 474   2013-11-04   
865-401 3 Mascot TN   073H TELNYX LLC 474   2017-06-16   
865-401 4 Mascot TN   318J COMCAST IP PHONE, LLC 474   2015-04-06   
865-401 5 Mascot TN   525E ONVOY, LLC - TN 474   2016-06-08   
865-401 6 Mascot TN   525E ONVOY, LLC - TN 474   2016-06-08   
865-401 7 Mascot TN   508J CENTURYLINK COMMUNICATIONS, LLC 474   2014-05-06   
865-401 8 Mascot TN   525E ONVOY, LLC - TN 474   2016-03-26   
865-401 9 Mascot TN   525E ONVOY, LLC - TN 474   2016-03-26   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.