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: CHTGTNNSXGZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-250 A Cleveland TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 472      
423-250 0 Cleveland TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2017-06-24   
423-407 A Spring City TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 472      
423-407 1 Spring City TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2020-03-13   
423-565 1 Decatur TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2019-03-07   
423-589 8 Georgetown TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2020-11-23   
423-810 3 Charleston TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2022-12-30   
423-910 8 Ooltewah TN 204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2020-11-23   

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

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