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: 327

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
865-327 A White Pine TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
865-327 0 White Pine TN   525E ONVOY, LLC - TN 474   2018-04-21   
865-327 1 White Pine TN   073H TELNYX LLC 474   2018-10-19   
865-327 2 White Pine TN   525E ONVOY, LLC - TN 474   2019-10-30   
865-327 4 White Pine TN   204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-03-11   
865-327 5 White Pine TN   624H ONVOY SPECTRUM, LLC 474   2023-06-18   
865-327 6 White Pine TN   525E ONVOY, LLC - TN 474   2021-10-25   
865-327 7 White Pine TN   525E ONVOY, LLC - TN 474   2021-03-19   
865-327 8 White Pine TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 474   2020-12-18   
865-327 9 White Pine TN   525E ONVOY, LLC - TN 474   2021-06-25   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.