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: 478

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-478 A Beaverton OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2024-02-11   
971-478 0 Beaverton OR   750E ONVOY, LLC - OR 672      
971-478 1 Beaverton OR   750E ONVOY, LLC - OR 672      
971-478 2 Beaverton OR   750E ONVOY, LLC - OR 672      
971-478 3 Beaverton OR   750E ONVOY, LLC - OR 672      
971-478 4 Beaverton OR   750E ONVOY, LLC - OR 672      
971-478 5 Beaverton OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672      
971-478 6 Beaverton OR   6529 T-MOBILE USA, INC. 672      
971-478 7 Beaverton OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
971-478 8 Beaverton OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
971-478 9 Beaverton 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.