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: CNCNOHWSX2Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
513-493 A Cincinnati OH 939H COMMIO LLC 922      
513-493 3 Cincinnati OH 939H COMMIO LLC 922   2017-12-04   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.