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: CLEVOHEKMMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
216-353 A Cleveland OH 515J IP HORIZON LLC 320      
216-530 A Independence (Cuyahoga) OH 515J IP HORIZON LLC 320   2024-07-19   
440-393 A Kirtland OH 515J IP HORIZON LLC 320   2024-03-31   
440-861 A Chesterland OH 515J IP HORIZON LLC 320   2024-03-31   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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