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: 454

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-454 A Decatur TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472      
423-454 0 Decatur TN   792K CHARTER IP ENABLED SERVICES, LLC 472   2006-06-03   
423-454 1 Decatur TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2014-05-26   
423-454 2 Decatur TN   525E ONVOY, LLC - TN 472   2016-03-30   
423-454 3 Decatur TN   525E ONVOY, LLC - TN 472   2016-03-30   
423-454 4 Decatur TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2004-12-20   
423-454 5 Decatur TN   516C AT&T CORP. 472   2011-08-29   
423-454 6 Decatur TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2016-04-01   
423-454 8 Decatur TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2016-08-26   
423-454 9 Decatur TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2008-11-28   

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

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