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.

OCN: 204G TWIN LAKES COMMUNICATIONS, INC. - TN

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
423-250 A Cleveland TN CHTGTNNSXGZ  472      
423-250 0 Cleveland TN CHTGTNNSXGZ  472   2017-06-24   
423-375 6 Benton TN   472   2024-04-06   
423-407 A Spring City TN CHTGTNNSXGZ  472      
423-407 1 Spring City TN CHTGTNNSXGZ  472   2020-03-13   
423-466 0 Athens TN KNVLTNMAYBX  474   2019-10-07   
423-565 1 Decatur TN CHTGTNNSXGZ  472   2019-03-07   
423-568 1 Niota TN KNVLTNMAYBX  474   2022-12-30   
423-577 1 Oneida TN KNVLTNMAYBX  474   2019-07-18   
423-589 8 Georgetown TN CHTGTNNSXGZ  472   2020-11-23   
423-632 A Wartburg TN KNVLTNMAYBX  474      
423-632 1 Wartburg TN KNVLTNMAYBX  474   2019-08-15   
423-696 0 Rogersville TN KNVLTNMAYBX  474   2022-04-07   
423-730 8 Riceville TN KNVLTNMAYBX  474   2022-12-30   
423-759 1 Morristown TN KNVLTNMAYBX  474   2022-04-07   
423-810 3 Charleston TN CHTGTNNSXGZ  472   2022-12-30   
423-910 8 Ooltewah TN CHTGTNNSXGZ  472   2020-11-23   
423-932 0 Etowah TN KNVLTNMAYBX  474   2022-12-30   
865-225 8 Mascot TN KNVLTNMAYBX  474   2020-10-22   
865-302 0 Rutledge TN KNVLTNMAYBX  474   2018-10-13   
865-326 0 Washburn TN KNVLTNMAYBX  474   2022-04-07   
865-327 4 White Pine TN KNVLTNMAYBX  474   2022-03-11   
865-334 A Knoxville TN KNVLTNMAYBX  474      
865-334 1 Knoxville TN KNVLTNMAYBX  474   2018-11-01   
865-350 2 Jefferson City TN KNVLTNMAYBX  474   2019-03-27   
865-353 A Harriman TN KNVLTNMAYBX  474      
865-353 1 Harriman TN KNVLTNMAYBX  474   2019-08-05   
865-419 1 Rockwood TN KNVLTNMAYBX  474   2020-09-15   
865-432 3 Oliver Springs TN KNVLTNMAYBX  474   2019-07-01   
865-484 9 Dandridge TN KNVLTNMAYBX  474   2019-08-26   
865-505 6 Sevierville TN KNVLTNMAYBX  474   2020-11-23   
865-535 3 Oak Ridge TN KNVLTNMAYBX  474   2019-07-01   
865-601 5 Kingston TN KNVLTNMAYBX  474   2020-01-03   
865-837 1 Bean Station TN KNVLTNMAYBX  474   2022-05-13   
865-874 0 Loudon TN KNVLTNMAYBX  474   2022-12-30   
901-441 A Memphis TN MMPHTNMAY8X  468      
901-441 1 Memphis TN MMPHTNMAY8X  468   2018-11-04   
931-322 0 Monterey TN CKVLTNNK0MD  470   2020-09-15   
931-340 0 Crossville TN CKVLTNNK0MD  470   2021-02-11   
931-400 A Cookeville TN CKVLTNNK0MD  470      
931-400 0 Cookeville TN CKVLTNNK0MD  470   2011-01-28   
931-559 A Cookeville TN CKVLTNNK0MD  470      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.