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: 529

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-529 A Georgetown TN CHTGTNNS04Z  829J PAETEC ITEL, LLC 472   2024-12-05   
423-529 0 Georgetown TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2008-11-28   
423-529 1 Georgetown TN   525E ONVOY, LLC - TN 472   2013-07-19   
423-529 2 Georgetown TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2014-07-12   
423-529 3 Georgetown TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2011-11-24   
423-529 4 Georgetown TN   525E ONVOY, LLC - TN 472   2016-03-28   
423-529 5 Georgetown TN   525E ONVOY, LLC - TN 472   2016-03-28   
423-529 6 Georgetown TN   829J PAETEC ITEL, LLC 472   2006-06-01   
423-529 8 Georgetown TN   516C AT&T CORP. 472   2010-03-19   
423-529 9 Georgetown TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2016-06-29   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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