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: 788

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-788 A Cloverdale OR PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672      
971-788 5 Cloverdale OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2023-02-20   
971-788 7 Cloverdale OR THDLORXAFMD  750E ONVOY, LLC - OR 672   2022-09-29   
971-788 8 Cloverdale OR PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672   2022-04-22   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.