Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 743 [Rate centres in NPA 743] [Dial plan for NPA 743]

NXX: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
743-300 A Danbury NC GNBPNCEM5MD  965H FRACTEL, LLC 424      
743-300 0 Danbury NC GNBPNCEM5MD  965H FRACTEL, LLC 424   2020-09-24   
743-300 1 Danbury NC GNBONCEU75Z  073H TELNYX LLC 424   2021-02-28   
743-300 3 Danbury NC GNBPNCEM5MD  965H FRACTEL, LLC 424   2020-09-24   
743-300 4 Danbury NC GNBONCEU78Z  624H ONVOY SPECTRUM, LLC 424   2021-11-16   
743-300 5 Danbury NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2022-10-02   
743-300 6 Danbury NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2022-10-02   
743-300 7 Danbury NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2020-12-26   
743-300 8 Danbury NC GNBONCEU24Z  638E ONVOY, LLC - NC 424   2020-12-26   
743-300 9 Danbury NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2020-10-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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