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
336-257 A Asheboro NC ASBONCXA0MD  8645 SUNCOM DBA T-MOBILE USA 424   2011-01-03   
336-257 0 Asheboro NC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2011-04-04   
336-257 1 Asheboro NC   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2011-03-10   
336-257 2 Asheboro NC   6664 SPRINT SPECTRUM L.P. 424   2011-03-15   
336-257 3 Asheboro NC   6664 SPRINT SPECTRUM L.P. 424   2011-03-15   
336-257 4 Asheboro NC   6664 SPRINT SPECTRUM L.P. 424   2011-05-01   
336-257 5 Asheboro NC   6664 SPRINT SPECTRUM L.P. 424   2011-05-01   
336-257 6 Asheboro NC   6664 SPRINT SPECTRUM L.P. 424   2012-02-24   
336-257 7 Asheboro NC   6664 SPRINT SPECTRUM L.P. 424   2012-02-24   
336-257 8 Asheboro NC   8645 SUNCOM DBA T-MOBILE USA 424   2011-08-15   
336-257 9 Asheboro NC   8645 SUNCOM DBA T-MOBILE USA 424   2011-01-03   

Last updated: Sat, 14 Sep 2019 01:44:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.