Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
743-330 A Elkin NC ELKNNCXAX2X  622J SKYE TELECOM LLC DBA SKYETEL 424      
743-330 0 Elkin NC   622J SKYE TELECOM LLC DBA SKYETEL 424   2021-12-20   
743-330 1 Elkin NC   638E ONVOY, LLC - NC 424   2022-10-02   
743-330 2 Elkin NC   638E ONVOY, LLC - NC 424   2022-10-02   
743-330 3 Elkin NC   035B PIEDMONT COMMUNICATIONS SERVICES, INC. - NC 424   2022-03-07   
743-330 4 Elkin NC   638E ONVOY, LLC - NC 424   2022-10-02   
743-330 5 Elkin NC   638E ONVOY, LLC - NC 424   2022-10-02   
743-330 6 Elkin NC   638E ONVOY, LLC - NC 424   2022-10-02   
743-330 7 Elkin NC   638E ONVOY, LLC - NC 424   2022-10-02   
743-330 8 Elkin NC   638E ONVOY, LLC - NC 424   2022-10-02   
743-330 9 Elkin NC   638E ONVOY, LLC - NC 424   2022-10-02   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.