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.

Switch: HCKRNCXAXWX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
828-624 A Hickory NC 638E ONVOY, LLC - NC 422      
828-672 A Mountain View NC 638E ONVOY, LLC - NC 422      
828-809 A Hickory NC 638E ONVOY, LLC - NC 422   2024-04-05   
828-810 A Catawba NC 638E ONVOY, LLC - NC 422      
828-815 A Hickory NC 638E ONVOY, LLC - NC 422   2024-06-17   
828-826 A Hildebran NC 638E ONVOY, LLC - NC 422      
828-880 A Sherrills Ford NC 638E ONVOY, LLC - NC 422      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.