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]

NXX: 939

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-939 A Jasper TN CHTGTNKF0MD  4622 DELTACOM, INC. - TN 472      
423-939 0 Jasper TN CLEVTNDL0MD  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 472   2006-09-11   
423-939 1 Jasper TN   939H COMMIO, LLC 472   2024-02-08   
423-939 2 Jasper TN CHTGTNKF0MD  4622 DELTACOM, INC. - TN 472   2008-08-24   
423-939 3 Jasper TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-03-15   
423-939 4 Jasper TN CHTGTNMAXVX  516C AT&T CORP. 472   2010-03-19   
423-939 5 Jasper TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2009-05-25   
423-939 6 Jasper TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-24   
423-939 7 Jasper TN CHTGTNKF0MD  8356 US LEC OF TENNESSEE, INC. 472   2013-07-15   
423-939 9 Jasper TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2008-11-28   

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

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