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: 743 [Rate centres in NPA 743] [Dial plan for NPA 743]

NXX: 649

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
743-649 A Winston-Salem NC GNBPNCEM8MD  516J TON80 COMMUNICATIONS, LLC 424      
743-649 0 Winston-Salem NC KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2022-06-15   
743-649 1 Winston-Salem NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2023-02-28   
743-649 2 Winston-Salem NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2023-02-28   
743-649 3 Winston-Salem NC GNBONCEU78Z  624H ONVOY SPECTRUM, LLC 424   2022-04-01   
743-649 4 Winston-Salem NC GNBONCEU78Z  624H ONVOY SPECTRUM, LLC 424   2022-04-01   
743-649 5 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-09-02   
743-649 6 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-09-02   
743-649 7 Winston-Salem NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2022-11-06   
743-649 8 Winston-Salem NC GNBPNCEM8MD  516J TON80 COMMUNICATIONS, LLC 424   2022-03-31   
743-649 9 Winston-Salem NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2022-11-06   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.