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
336-441 A Summerfield NC GNBONCEUXXX  7421 AT&T LOCAL 424      
336-441 0 Summerfield NC   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2005-03-06   
336-441 1 Summerfield NC   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2008-04-25   
336-441 2 Summerfield NC   516C AT&T CORP. 424   2010-05-17   
336-441 3 Summerfield NC   7835 INTERMEDIA COMMUNICATIONS INC. - NC 424   2006-01-18   
336-441 4 Summerfield NC   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2004-07-04   
336-441 5 Summerfield NC   3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2006-01-05   
336-441 6 Summerfield NC   361F NORTH STATE COMMUNICATIONS ADVANCED SVCS, LLC-NC 424   2011-09-10   
336-441 7 Summerfield NC   998E BANDWIDTH.COM CLEC, LLC - NC 424   2012-09-09   
336-441 8 Summerfield NC   580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2013-05-21   
336-441 9 Summerfield NC   7421 AT&T LOCAL 424   2003-11-28   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.