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: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-473 A Winston-Salem NC GNBONCEU38Z  8645 SUNCOM DBA T-MOBILE USA 424      
336-473 0 Winston-Salem NC   8645 SUNCOM DBA T-MOBILE USA 424      
336-473 1 Winston-Salem NC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2005-06-11   
336-473 2 Winston-Salem NC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2005-06-11   
336-473 3 Winston-Salem NC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2005-06-11   
336-473 4 Winston-Salem NC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2006-07-23   
336-473 5 Winston-Salem NC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2006-07-23   
336-473 6 Winston-Salem NC   8645 SUNCOM DBA T-MOBILE USA 424      
336-473 7 Winston-Salem NC   8645 SUNCOM DBA T-MOBILE USA 424      
336-473 8 Winston-Salem NC   8645 SUNCOM DBA T-MOBILE USA 424      
336-473 9 Winston-Salem NC   8645 SUNCOM DBA T-MOBILE USA 424      

Last updated: Sat, 09 Mar 2019 02:16:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.