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: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-777 A Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-777 0 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-777 1 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-777 2 Winston-Salem NC   624H ONVOY SPECTRUM, LLC 424      
336-777 3 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-777 4 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-777 5 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-777 6 Winston-Salem NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424      
336-777 7 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      
336-777 8 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-777 9 Winston-Salem NC KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.