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: JHCYTNXCX2Y

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-647 7 Butler TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-647 8 Butler TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-647 9 Butler TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-662 1 Blountville TN 5562 METROPCS, INC. 956   2020-06-14   
423-672 8 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956   2022-02-07   
423-672 9 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956   2022-02-07   
423-676 A Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-676 0 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956   2009-03-26   
423-676 1 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-676 2 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-676 3 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-676 4 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-676 5 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-676 6 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-676 7 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-676 8 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-676 9 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 A Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 0 Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 1 Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 2 Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 3 Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 4 Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956   2009-10-23   
423-677 5 Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 6 Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 7 Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 8 Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 9 Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-723 3 Kingsport TN 5562 METROPCS, INC. 956   2006-11-15   
423-723 4 Kingsport TN 5562 METROPCS, INC. 956   2006-12-06   
423-723 5 Kingsport TN 5562 METROPCS, INC. 956   2007-01-19   
423-723 7 Kingsport TN 5562 METROPCS, INC. 956   2007-01-19   
423-732 4 Kingsport TN 5562 METROPCS, INC. 956   2020-04-02   
423-732 5 Kingsport TN 5562 METROPCS, INC. 956   2021-01-29   
423-773 A Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-791 A Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-791 0 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-791 1 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-791 2 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-791 3 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-791 4 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-791 5 Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-817 A Kingsport TN 5562 METROPCS, INC. 956      
423-817 0 Kingsport TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-817 1 Kingsport TN 5562 METROPCS, INC. 956      
423-817 2 Kingsport TN 5562 METROPCS, INC. 956      
423-817 3 Kingsport TN 5562 METROPCS, INC. 956      
423-817 9 Kingsport TN 5562 METROPCS, INC. 956   2007-07-31   
423-823 A Greeneville TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-823 0 Greeneville TN 8645 SUNCOM DBA T-MOBILE USA 956      

<< 1 2 3 4 5 6 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.