Local Calling Guide

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

NXX: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-770 A Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-770 0 Winston-Salem NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2018-09-21   
336-770 1 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-770 2 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2014-09-29   
336-770 3 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-770 4 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-770 5 Winston-Salem NC GNBONCEU21Z  360E YMAX COMMUNICATIONS CORP. - NC 424   2010-05-03   
336-770 6 Winston-Salem NC GNBONCEU21Z  360E YMAX COMMUNICATIONS CORP. - NC 424   2009-07-24   
336-770 7 Winston-Salem NC WNSLNCFI74H  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 424      
336-770 8 Winston-Salem NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2018-09-21   
336-770 9 Winston-Salem NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2018-09-21   

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

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