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: 474

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-474 A Woodburn OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2024-02-03   
971-474 0 Woodburn OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672   2024-05-28   
971-474 6 Woodburn OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2024-02-03   
971-474 9 Woodburn OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672   2024-02-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.