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: KNVLTNMAYBX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-466 0 Athens TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2019-10-07   
423-568 1 Niota TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-12-30   
423-577 1 Oneida TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2019-07-18   
423-632 A Wartburg TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474      
423-632 1 Wartburg TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2019-08-15   
423-696 0 Rogersville TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-04-07   
423-730 8 Riceville TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-12-30   
423-759 1 Morristown TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-04-07   
423-932 0 Etowah TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-12-30   
865-225 8 Mascot TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2020-10-22   
865-302 0 Rutledge TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2018-10-13   
865-326 0 Washburn TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-04-07   
865-327 4 White Pine TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-03-11   
865-334 A Knoxville TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474      
865-334 1 Knoxville TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2018-11-01   
865-350 2 Jefferson City TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2019-03-27   
865-353 A Harriman TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474      
865-353 1 Harriman TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2019-08-05   
865-419 1 Rockwood TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2020-09-15   
865-432 3 Oliver Springs TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2019-07-01   
865-484 9 Dandridge TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2019-08-26   
865-505 6 Sevierville TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2020-11-23   
865-535 3 Oak Ridge TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2019-07-01   
865-601 5 Kingston TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2020-01-03   
865-837 1 Bean Station TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-05-13   
865-874 0 Loudon TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-12-30   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.