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
336-450 A Greensboro NC GNBONCEU33Z  4792 XO NORTH CAROLINA, INC. 424   2009-10-01   
336-450 0 Greensboro NC   4792 XO NORTH CAROLINA, INC. 424   2009-10-01   
336-450 1 Greensboro NC   4792 XO NORTH CAROLINA, INC. 424   2009-10-01   
336-450 2 Greensboro NC   4792 XO NORTH CAROLINA, INC. 424   2009-10-01   
336-450 3 Greensboro NC   4792 XO NORTH CAROLINA, INC. 424   2009-10-01   
336-450 4 Greensboro NC   4792 XO NORTH CAROLINA, INC. 424   2009-10-01   
336-450 5 Greensboro NC   4792 XO NORTH CAROLINA, INC. 424   2009-10-01   
336-450 6 Greensboro NC   8645 SUNCOM DBA T-MOBILE USA 424   2010-08-08   
336-450 7 Greensboro NC   8645 SUNCOM DBA T-MOBILE USA 424   2010-08-08   
336-450 8 Greensboro NC   8645 SUNCOM DBA T-MOBILE USA 424   2010-08-08   
336-450 9 Greensboro NC   8645 SUNCOM DBA T-MOBILE USA 424   2010-11-07   

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.