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: 810

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-810 A Charleston TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472      
423-810 0 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2016-04-06   
423-810 1 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2016-04-06   
423-810 2 Charleston TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-24   
423-810 3 Charleston TN CHTGTNNSXGZ  204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2022-12-30   
423-810 4 Charleston TN CHTGTNNSXJZ  073H TELNYX LLC 472   2023-01-27   
423-810 5 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2023-08-11   
423-810 6 Charleston TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2015-10-01   
423-810 7 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2023-08-11   
423-810 8 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-04-26   
423-810 9 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-04-26   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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