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: RCMDINXBX6X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
765-302 A Dunkirk IN 045L BHN IP ENABLED SERVICES, LLC 937   2025-03-15   
765-302 9 Dunkirk IN 045L BHN IP ENABLED SERVICES, LLC 937   2025-03-23   
765-468 0 Farmland IN 045L BHN IP ENABLED SERVICES, LLC 937   2025-06-15   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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