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: JHCYTNDD2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
276-206 A Abingdon VA 8645 SUNCOM DBA T-MOBILE USA 956   2004-11-25   
276-356 A Abingdon VA 8645 SUNCOM DBA T-MOBILE USA 956      
276-759 A Marion VA 8645 SUNCOM DBA T-MOBILE USA 956      
423-292 A Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-383 A Bristol TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-384 A Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-557 A Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956   2004-11-26   
423-646 A Bristol TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-647 A Butler TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-676 A Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-677 A Fall Branch TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-773 A Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      
423-833 A Johnson City TN 8645 SUNCOM DBA T-MOBILE USA 956      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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