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: ASBONCXA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-257 A Asheboro NC 8645 SUNCOM DBA T-MOBILE USA 424      
336-267 A Asheboro NC 8645 SUNCOM DBA T-MOBILE USA 424      
336-493 A Asheboro NC 8645 SUNCOM DBA T-MOBILE USA 424      
336-518 A Yadkinville NC 8645 SUNCOM DBA T-MOBILE USA 424      
336-736 A Asheboro NC 8645 SUNCOM DBA T-MOBILE USA 424      
336-929 A Asheboro NC 8645 SUNCOM DBA T-MOBILE USA 424      
743-224 A Asheboro NC 8645 SUNCOM DBA T-MOBILE USA 424      
743-238 A Asheboro NC 8645 SUNCOM DBA T-MOBILE USA 424      
743-239 A Asheboro NC 5562 METROPCS, INC. 424      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.