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: 977

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-977 A Chattanooga TN CHTGTNNSXPZ  965H FRACTEL, LLC 472      
423-977 0 Chattanooga TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-07-17   
423-977 1 Chattanooga TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-07-17   
423-977 2 Chattanooga TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-03-07   
423-977 5 Chattanooga TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-05-04   
423-977 6 Chattanooga TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-05-04   
423-977 7 Chattanooga TN   965H FRACTEL, LLC 472   2019-09-18   
423-977 9 Chattanooga TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2024-12-02   

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

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