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: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-321 A Portland OR PTLDOR69DS1  9638 QWEST CORPORATION 672      
971-321 0 Portland OR   9638 QWEST CORPORATION 672      
971-321 1 Portland OR   9638 QWEST CORPORATION 672      
971-321 2 Portland OR   9638 QWEST CORPORATION 672      
971-321 3 Portland OR   9638 QWEST CORPORATION 672      
971-321 4 Portland OR   9638 QWEST CORPORATION 672      
971-321 5 Portland OR   9638 QWEST CORPORATION 672      
971-321 6 Portland OR   9638 QWEST CORPORATION 672      
971-321 7 Portland OR   9638 QWEST CORPORATION 672      
971-321 8 Portland OR   9638 QWEST CORPORATION 672      
971-321 9 Portland OR   9638 QWEST CORPORATION 672      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.