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: GRVIOHXARP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
740-321 A Granville OH 0665 WINDSTREAM OHIO, LLC 324   2024-01-04   
740-587 A Granville OH 0665 WINDSTREAM OHIO, LLC 324   2024-01-04   
740-920 8 Granville OH 0665 WINDSTREAM OHIO, LLC 324   2011-10-10   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.