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
336-617 A Greensboro NC GNBPNCDNDS1  7973 TIME WARNER COMMUNICATIONS AXS - NC - GREENSBORO 424   2004-08-25   
336-617 0 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2009-03-16   
336-617 1 Greensboro NC   8645 SUNCOM DBA T-MOBILE USA 424   2012-06-10   
336-617 2 Greensboro NC   7973 TIME WARNER COMMUNICATIONS AXS - NC - GREENSBORO 424   2004-08-25   
336-617 3 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2007-01-10   
336-617 4 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2007-01-24   
336-617 5 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2007-02-07   
336-617 6 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2007-02-21   
336-617 7 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2008-06-06   
336-617 8 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2008-06-06   
336-617 9 Greensboro NC   998E BANDWIDTH.COM CLEC, LLC - NC 424   2010-11-08   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.