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.
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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   472   2017-06-24   
423-250 0 Cleveland TN   472   2017-06-24   
423-407 A Spring City TN   472   2020-03-13   
423-407 1 Spring City TN   472   2020-03-13   
423-466 0 Athens TN   474   2019-10-07   
423-565 1 Decatur TN   472   2019-03-07   
423-577 1 Oneida TN   474   2019-07-18   
423-632 A Wartburg TN   474   2019-08-15   
423-632 1 Wartburg TN   474   2019-08-15   
865-302 0 Rutledge TN   474   2018-10-13   
865-334 A Knoxville TN   474   2018-11-01   
865-334 1 Knoxville TN   474   2018-11-01   
865-350 2 Jefferson City TN   474   2019-03-27   
865-353 A Harriman TN   474   2019-08-05   
865-353 1 Harriman TN   474   2019-08-05   
865-419 1 Rockwood TN   474   2020-09-15   
865-432 3 Oliver Springs TN   474   2019-07-01   
865-484 9 Dandridge TN   474   2019-08-26   
865-535 3 Oak Ridge TN   474   2019-07-01   
865-601 5 Kingston TN   474   2020-01-03   
901-441 A Memphis TN   468   2018-11-04   
901-441 1 Memphis TN   468   2018-11-04   
931-322 0 Monterey TN   470   2020-09-15   
931-400 A Cookeville TN CKVLTNNK0MD  470   2011-01-28   
931-400 0 Cookeville TN   470   2011-01-28   
931-559 A Cookeville TN   470      

Last updated: Sat, 10 Oct 2020 02:22:41 UTC

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