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: BFLONYGO5MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-693 A Arcade NY 939H COMMIO, LLC 140      
585-707 A Byron NY 939H COMMIO, LLC 140   2024-04-01   
716-315 A Lockport NY 939H COMMIO, LLC 140   2024-04-01   
716-347 A Dunkirk NY 939H COMMIO, LLC 140   2024-04-01   
716-420 A Buffalo NY 939H COMMIO, LLC 140      
716-734 A Forestville NY 939H COMMIO, LLC 140      
716-738 A Newfane NY 939H COMMIO, LLC 140      

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

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