Local Calling Guide

Area code/prefix search

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

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
743-637 A Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      
743-637 0 Winston-Salem NC KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2023-01-10   
743-637 1 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-09-24   
743-637 2 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-10-23   
743-637 3 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-01-07   
743-637 4 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-01-07   
743-637 5 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-01-07   
743-637 6 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-01-07   
743-637 7 Winston-Salem NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2023-01-07   
743-637 8 Winston-Salem NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2023-01-27   
743-637 9 Winston-Salem NC GNBONCEU45Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2023-01-27   

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

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