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
336-478 A Greensboro NC GNBONCPHDS0  7674 US LEC OF NORTH CAROLINA, INC. 424      
336-478 0 Greensboro NC   7674 US LEC OF NORTH CAROLINA, INC. 424      
336-478 1 Greensboro NC   7674 US LEC OF NORTH CAROLINA, INC. 424      
336-478 2 Greensboro NC   7674 US LEC OF NORTH CAROLINA, INC. 424      
336-478 3 Greensboro NC   7674 US LEC OF NORTH CAROLINA, INC. 424      
336-478 4 Greensboro NC   7674 US LEC OF NORTH CAROLINA, INC. 424      
336-478 5 Greensboro NC   6664 SPRINT SPECTRUM L.P. 424   2006-08-20   
336-478 6 Greensboro NC   7674 US LEC OF NORTH CAROLINA, INC. 424      
336-478 7 Greensboro NC   8645 SUNCOM DBA T-MOBILE USA 424   2010-11-07   
336-478 8 Greensboro NC   7674 US LEC OF NORTH CAROLINA, INC. 424      
336-478 9 Greensboro NC   7674 US LEC OF NORTH CAROLINA, INC. 424      

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.