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: 530

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-530 A Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2026-04-03   
971-530 4 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2026-04-03   
971-530 5 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2026-04-03   
971-530 6 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2026-04-03   
971-530 7 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2026-04-03   
971-530 8 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2026-04-03   
971-530 9 Portland OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2026-04-03   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.