Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-994 8 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-05-08   
423-994 9 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472   2007-09-01   
423-997 A Elizabethton TN   124F BANDWIDTH.COM CLEC, LLC - TN 956   2025-10-04   
423-997 0 Elizabethton TN   124F BANDWIDTH.COM CLEC, LLC - TN 956   2025-10-04   
423-998 A Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474      
423-998 6 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-998 7 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-998 8 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-998 9 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-999 A Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474      
423-999 0 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-05-14   
423-999 1 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-05-27   
423-999 2 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-05-27   
423-999 3 Athens TN KNVNTNEC5MD  145J TERRA NOVA TELECOM INC. 474   2024-02-05   
423-999 5 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2013-03-21   
423-999 6 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2013-05-12   
423-999 7 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2013-09-27   
423-999 8 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2013-10-28   
423-999 9 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-05-14   

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Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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