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: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-633 A Chattanooga TN CHTGTNNSXJZ  073H TELNYX LLC 472      
423-633 0 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2022-06-12   
423-633 1 Chattanooga TN CHTGTNNSXJZ  073H TELNYX LLC 472   2020-02-07   
423-633 2 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2022-03-19   
423-633 3 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2022-03-19   
423-633 4 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-05-04   
423-633 5 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-05-04   
423-633 6 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-05-04   
423-633 7 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-05-04   
423-633 8 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-05-04   
423-633 9 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-05-04   

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

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