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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
743-900 A Winston-Salem NC GNBPNCEM5MD  965H FRACTEL, LLC 424      
743-900 0 Winston-Salem NC GNBPNCEM5MD  965H FRACTEL, LLC 424   2019-03-25   
743-900 1 Winston-Salem NC GNBONCEU64Z  769H RIVERSTREET COMMUNICATIONS OF NO CAROLINA - NC 424   2019-09-27   
743-900 2 Winston-Salem NC KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2019-12-01   
743-900 3 Winston-Salem NC KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2019-12-01   
743-900 4 Winston-Salem NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2020-08-16   
743-900 5 Winston-Salem NC KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2020-01-01   
743-900 6 Winston-Salem NC KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2020-09-15   
743-900 7 Winston-Salem NC GNBPNCEMDS1  350F PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC 424   2019-12-18   
743-900 8 Winston-Salem NC GNBPNCEM2MD  939H COMMIO, LLC 424   2021-08-28   
743-900 9 Winston-Salem NC GNBPNCEM5MD  965H FRACTEL, LLC 424   2019-03-25   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.