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: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
743-228 A Summerfield NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      
743-228 0 Summerfield NC   939H COMMIO, LLC 424   2022-11-20   
743-228 1 Summerfield NC   624H ONVOY SPECTRUM, LLC 424   2023-05-12   
743-228 2 Summerfield NC   638E ONVOY, LLC - NC 424   2021-06-09   
743-228 3 Summerfield NC   638E ONVOY, LLC - NC 424   2021-06-09   
743-228 4 Summerfield NC   515J IP HORIZON LLC 424   2026-02-21   
743-228 5 Summerfield NC   638E ONVOY, LLC - NC 424   2022-09-30   
743-228 6 Summerfield NC   638E ONVOY, LLC - NC 424   2022-09-30   
743-228 7 Summerfield NC   638E ONVOY, LLC - NC 424   2022-09-30   
743-228 8 Summerfield NC   638E ONVOY, LLC - NC 424   2024-03-08   
743-228 9 Summerfield NC   638E ONVOY, LLC - NC 424   2022-11-26   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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