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: 8356 US LEC OF TENNESSEE, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
423-424 2 Chattanooga TN CHTGTNKF0MD  472      
423-424 3 Chattanooga TN CHTGTNKF0MD  472      
423-424 4 Chattanooga TN CHTGTNKF0MD  472      
423-424 5 Chattanooga TN CHTGTNKF0MD  472      
423-424 7 Chattanooga TN CHTGTNKF0MD  472      
423-520 A Madisonville TN KNVLTN02DMD  474      
423-520 1 Madisonville TN KNVLTN02DMD  474      
423-532 A Newport TN KNVLTN02DMD  474      
423-532 1 Newport TN KNVLTN02DMD  474      
423-532 2 Newport TN KNVLTN02DMD  474      
423-532 3 Newport TN KNVLTN02DMD  474      
423-532 5 Newport TN KNVLTN02DMD  474      
423-536 A Sweetwater TN KNVLTN02DMD  474      
423-536 0 Sweetwater TN KNVLTN02DMD  474      
423-536 1 Sweetwater TN KNVLTN02DMD  474      
423-536 3 Sweetwater TN KNVLTN02DMD  474      
423-536 4 Sweetwater TN KNVLTN02DMD  474      
423-536 5 Sweetwater TN KNVLTN02DMD  474      
423-537 A Bulls Gap TN KNVLTN02DMD  474      
423-537 1 Bulls Gap TN KNVLTN02DMD  474      
423-537 2 Bulls Gap TN KNVLTN02DMD  474      
423-537 3 Bulls Gap TN KNVLTN02DMD  474      
423-537 5 Bulls Gap TN KNVLTN02DMD  474      
423-572 4 Englewood TN KNVLTN02DMD  474   2010-09-07   
423-599 7 Cleveland TN CHTGTNKF0MD  472   2010-09-13   
423-665 1 Charleston TN CHTGTNKF0MD  472   2005-03-12   
423-673 A Johnson City TN JHCYTNXCXQY  956      
423-673 4 Johnson City TN JHCYTNXCXQY  956   2021-05-28   
423-681 7 Chattanooga TN CHTGTNKF0MD  472   2015-05-01   
423-714 A Morristown TN KNVLTN02DMD  474      
423-714 1 Morristown TN KNVLTN02DMD  474      
423-714 2 Morristown TN KNVLTN02DMD  474      
423-714 3 Morristown TN KNVLTN02DMD  474      
423-714 5 Morristown TN KNVLTN02DMD  474      
423-714 8 Morristown TN KNVLTN02DMD  474      
423-724 A Sneedville TN KNVLTN02DMD  474      
423-724 4 Sneedville TN KNVLTN02DMD  474      
423-724 5 Sneedville TN KNVLTN02DMD  474      
423-735 2 Erwin TN JHCYTNXCXQY  956   2010-02-06   
423-758 A Bristol TN JHCYTNXCXQY  956      
423-758 1 Bristol TN JHCYTNXCXQY  956      
423-758 2 Bristol TN JHCYTNXCXQY  956      
423-758 3 Bristol TN JHCYTNXCXQY  956      
423-758 5 Bristol TN JHCYTNXCXQY  956      
423-782 A Kingsport TN JHCYTNXCXQY  956      
423-782 1 Kingsport TN JHCYTNXCXQY  956      
423-782 2 Kingsport TN JHCYTNXCXQY  956      
423-794 A Johnson City TN JHCYTNXCXQY  956      
423-794 1 Johnson City TN JHCYTNXCXQY  956      
423-794 2 Johnson City TN JHCYTNXCXQY  956      

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

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