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.

NPA: 364 [Rate centres in NPA 364] [Dial plan for NPA 364]

NXX: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
364-230 A Owensboro KY   700J WAVENATION, LLC 464   2025-08-29   
364-230 0 Owensboro KY   700J WAVENATION, LLC 464   2025-08-29   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.