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: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-597 A Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472      
423-597 0 Benton TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2019-07-21   
423-597 1 Benton TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2019-07-21   
423-597 2 Benton TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2019-07-21   
423-597 3 Benton TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2019-07-21   
423-597 4 Benton TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2019-07-21   
423-597 6 Benton TN   525E ONVOY, LLC - TN 472   2021-04-05   
423-597 7 Benton TN   525E ONVOY, LLC - TN 472   2021-04-05   
423-597 8 Benton TN   525E ONVOY, LLC - TN 472   2021-10-23   
423-597 9 Benton TN   073H TELNYX LLC 472   2021-12-02   

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

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