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: 743

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
743-743 A Madison NC   638E ONVOY, LLC - NC 424   2026-12-06   
743-743 4 Madison NC   638E ONVOY, LLC - NC 424   2026-12-06   
743-743 7 Madison NC   638E ONVOY, LLC - NC 424   2026-12-06   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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