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: 375

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-375 A Benton TN CHTGTNMAXVX  516C AT&T CORP. 472      
423-375 0 Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2012-10-20   
423-375 1 Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2015-09-10   
423-375 2 Benton TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2012-09-07   
423-375 3 Benton TN CHTGTNNS04Z  829J PAETEC ITEL, LLC 472   2016-12-15   
423-375 4 Benton TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2016-03-28   
423-375 5 Benton TN CHTGTNMAXVX  516C AT&T CORP. 472   2010-04-17   
423-375 6 Benton TN CHTGTNNSXGZ  204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2024-04-06   
423-375 7 Benton TN CHTGTNMAXVX  516C AT&T CORP. 472   2011-09-24   
423-375 8 Benton TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2016-03-28   
423-375 9 Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2014-11-22   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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