Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX: 728

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-728 A Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-728 0 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-728 1 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-728 2 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-728 3 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-728 4 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-728 5 Winston-Salem NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2020-03-14   
336-728 6 Winston-Salem NC GNBONCCKX9X  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2014-05-04   
336-728 7 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-728 8 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-728 9 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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