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
336-285 A Greensboro NC GNBONCCKRS0  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-285 0 Greensboro NC   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424      
336-285 1 Greensboro NC   8645 SUNCOM DBA T-MOBILE USA 424   2008-08-22   
336-285 2 Greensboro NC   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2006-01-14   
336-285 3 Greensboro NC   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2006-01-14   
336-285 4 Greensboro NC   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424   2006-01-14   
336-285 5 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2007-09-27   
336-285 6 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2007-09-27   
336-285 7 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2008-02-21   
336-285 8 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2008-02-21   
336-285 9 Greensboro NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2009-09-28   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.