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: 748

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-748 A Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-748 0 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-748 1 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-748 2 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-748 3 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-748 4 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-748 5 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-748 6 Winston-Salem NC GNBONCEU50Z  580C TIME WARNER CBL INFO SVC (NC) DBA TIME WARNER CBL 424   2020-03-27   
336-748 7 Winston-Salem NC GNBPNCEMDS1  350F PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC 424   2020-03-20   
336-748 8 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-748 9 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.