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: BFLONYFRXNX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
716-815 A Buffalo NY 321J HD CARRIER LLC 140      
716-815 9 Buffalo NY 321J HD CARRIER LLC 140   2019-03-09   
716-974 2 Jamestown NY 321J HD CARRIER LLC 140   2026-06-01   
716-974 3 Jamestown NY 321J HD CARRIER LLC 140   2026-06-01   
716-974 4 Jamestown NY 321J HD CARRIER LLC 140   2026-06-01   
716-974 5 Jamestown NY 321J HD CARRIER LLC 140   2026-06-01   
716-975 3 Buffalo NY 321J HD CARRIER LLC 140   2026-01-18   
716-975 4 Buffalo NY 321J HD CARRIER LLC 140   2026-01-18   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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