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: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-200 A Morristown TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-200 0 Morristown TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2004-12-13   
423-200 1 Morristown TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2015-11-19   
423-200 2 Morristown TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2006-04-20   
423-200 3 Morristown TN KNVLTNIIDS0  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 474   2005-01-29   
423-200 4 Morristown TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-200 5 Morristown TN KNVLTN02DMD  8660 WINDSTREAM NUVOX, INC. 474   2004-02-04   
423-200 6 Morristown TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2006-02-18   
423-200 7 Morristown TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2006-02-18   
423-200 8 Morristown TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2006-02-18   
423-200 9 Morristown TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2006-02-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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