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: 571

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-571 A Gresham OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
971-571 0 Gresham OR PTLJORIY1MD  5562 METROPCS, INC. 672      
971-571 1 Gresham OR PTLDORWAX7Y  073H TELNYX LLC 672      
971-571 2 Gresham OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672      
971-571 3 Gresham OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
971-571 4 Gresham OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
971-571 5 Gresham OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
971-571 6 Gresham OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
971-571 7 Gresham OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
971-571 8 Gresham OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
971-571 9 Gresham OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.