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: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-399 A Falls City OR PTLDOR13X6X  158H INVOXIO INCORPORATED 672      
971-399 0 Falls City OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2021-10-11   
971-399 1 Falls City OR PTLDOR13DS4  157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2018-12-07   
971-399 2 Falls City OR PTLGORIA7MD  3234 LEVEL 3 COMMUNICATIONS, LLC - OR 672   2023-02-23   
971-399 3 Falls City OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-02-22   
971-399 5 Falls City OR SALMOR58NMD  9882 ALYRICA TELEPHONE LLC DBA NEXT GEN PHONE SYS-OR 672   2023-11-14   
971-399 7 Falls City OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2020-08-14   
971-399 8 Falls City OR PTLDOR13UMD  073H TELNYX LLC 672   2018-10-30   
971-399 9 Falls City OR PTLDOR13X6X  158H INVOXIO INCORPORATED 672   2018-10-29   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.