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: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-665 A Charleston TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472      
423-665 0 Charleston TN CHTGTNMAXVX  516C AT&T CORP. 472   2010-03-24   
423-665 1 Charleston TN CHTGTNNS04Z  829J PAETEC ITEL, LLC 472   2005-03-12   
423-665 3 Charleston TN   792K CHARTER IP ENABLED SERVICES, LLC 472   2006-06-03   
423-665 4 Charleston TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2004-12-20   
423-665 9 Charleston TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2008-11-28   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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