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: 565

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-565 A Decatur TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472      
423-565 0 Decatur TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2018-11-01   
423-565 1 Decatur TN   204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2019-03-07   
423-565 2 Decatur TN   073H TELNYX LLC 472   2021-01-23   
423-565 3 Decatur TN   4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-24   
423-565 4 Decatur TN   525E ONVOY, LLC - TN 472   2022-12-02   
423-565 5 Decatur TN   525E ONVOY, LLC - TN 472   2021-03-15   
423-565 6 Decatur TN   525E ONVOY, LLC - TN 472   2021-03-15   
423-565 8 Decatur TN   525E ONVOY, LLC - TN 472   2019-01-11   
423-565 9 Decatur TN   525E ONVOY, LLC - TN 472   2019-01-11   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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