Local Calling Guide

Area code/prefix search

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Newport, TN

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-720 5   124F BANDWIDTH.COM CLEC, LLC - TN 474   2025-10-17   
423-720 6   525E ONVOY, LLC - TN 474   2016-06-09   
423-720 7   525E ONVOY, LLC - TN 474   2016-06-09   
423-720 8   525E ONVOY, LLC - TN 474   2016-06-09   
423-720 9   124F BANDWIDTH.COM CLEC, LLC - TN 474   2017-12-02   
423-721 A KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-721 0   6278 UNITED STATES CELLULAR - TN 474      
423-721 1   6278 UNITED STATES CELLULAR - TN 474      
423-721 2   6278 UNITED STATES CELLULAR - TN 474      
423-721 3   6278 UNITED STATES CELLULAR - TN 474      
423-721 4   6278 UNITED STATES CELLULAR - TN 474      
423-721 5   6278 UNITED STATES CELLULAR - TN 474      
423-721 6   6278 UNITED STATES CELLULAR - TN 474      
423-721 7   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2008-12-19   
423-721 8   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-11-08   
423-721 9   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2009-05-08   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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