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.

Switch: JHCYTNXCYZZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-207 8 Midway (Washington) TN 829J PAETEC ITEL, LLC 956   2014-05-28   
423-220 A Erwin TN 829J PAETEC ITEL, LLC 956   2024-12-07   
423-220 1 Erwin TN 829J PAETEC ITEL, LLC 956      
423-342 2 Elizabethton TN 829J PAETEC ITEL, LLC 956   2006-05-20   
423-354 5 Blountville TN 829J PAETEC ITEL, LLC 956   2005-09-22   
423-673 A Johnson City TN 829J PAETEC ITEL, LLC 956   2024-12-07   
423-673 4 Johnson City TN 829J PAETEC ITEL, LLC 956   2021-05-28   
423-735 2 Erwin TN 829J PAETEC ITEL, LLC 956   2010-02-06   
423-758 A Bristol TN 829J PAETEC ITEL, LLC 956   2024-12-07   
423-758 1 Bristol TN 829J PAETEC ITEL, LLC 956      
423-758 2 Bristol TN 829J PAETEC ITEL, LLC 956      
423-758 3 Bristol TN 829J PAETEC ITEL, LLC 956      
423-758 5 Bristol TN 829J PAETEC ITEL, LLC 956      
423-782 A Kingsport TN 829J PAETEC ITEL, LLC 956   2024-12-07   
423-782 1 Kingsport TN 829J PAETEC ITEL, LLC 956      
423-782 2 Kingsport TN 829J PAETEC ITEL, LLC 956      
423-794 A Johnson City TN 829J PAETEC ITEL, LLC 956   2024-12-07   
423-794 1 Johnson City TN 829J PAETEC ITEL, LLC 956      
423-794 2 Johnson City TN 829J PAETEC ITEL, LLC 956      
423-794 3 Johnson City TN 829J PAETEC ITEL, LLC 956      
423-794 4 Johnson City TN 829J PAETEC ITEL, LLC 956      
423-794 5 Johnson City TN 829J PAETEC ITEL, LLC 956      
423-823 5 Greeneville TN 829J PAETEC ITEL, LLC 956   2008-06-27   
423-913 7 Jonesboro TN 829J PAETEC ITEL, LLC 956   2014-08-30   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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