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: BFLONYFRXWX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-778 A Batavia NY 515J IP HORIZON LLC 140   2024-09-21   
716-306 A Buffalo NY 515J IP HORIZON LLC 140      
716-865 A Niagara Falls NY 515J IP HORIZON LLC 140   2024-10-20   

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

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