Local Calling Guide

Area code/prefix search

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Dayton, TN

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-674 3 CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2022-09-29   
423-674 4 CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-06-14   
423-674 5 CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-06-14   
423-674 8 CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2023-09-09   
423-775 A DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-940 A CHTGTN12X2Y  939H COMMIO, LLC 472      
423-940 0 CHTGTN12X2Y  939H COMMIO, LLC 472   2023-05-20   
423-940 8 CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2024-10-05   
423-940 9 CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2024-10-05   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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