Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 912

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-912 A La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-912 0 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-912 1 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-912 2 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2004-04-03   
423-912 3 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2004-11-05   
423-912 4 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2004-11-05   
423-912 5 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2005-08-12   
423-912 6 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2005-08-12   
423-912 7 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2006-04-17   
423-912 8 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-912 9 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2006-04-17   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.