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: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-688 A Clatskanie OR PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672      
971-688 6 Clatskanie OR   145J TERRA NOVA TELECOM INC. 672   2025-07-12   
971-688 8 Clatskanie OR PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672   2022-04-22   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.