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: 286

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
743-286 A Greensboro NC   321J HD CARRIER LLC 424   2025-10-05   
743-286 0 Greensboro NC   638E ONVOY, LLC - NC 424   2025-10-26   
743-286 3 Greensboro NC   321J HD CARRIER LLC 424   2025-10-05   
743-286 4 Greensboro NC   321J HD CARRIER LLC 424   2025-10-05   
743-286 5 Greensboro NC   321J HD CARRIER LLC 424   2025-10-05   
743-286 6 Greensboro NC   321J HD CARRIER LLC 424   2025-10-05   
743-286 7 Greensboro NC   321J HD CARRIER LLC 424   2025-10-05   
743-286 8 Greensboro NC   321J HD CARRIER LLC 424   2025-10-05   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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