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.

Switch: BVTNORXBX1Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-503 A Sherwood OR 750E ONVOY, LLC - OR 672   2024-08-06   
971-451 A Beaverton OR 750E ONVOY, LLC - OR 672      
971-462 A Beaverton OR 750E ONVOY, LLC - OR 672      
971-463 A Stafford-Sandy OR 750E ONVOY, LLC - OR 672      
971-464 A Beaverton OR 750E ONVOY, LLC - OR 672      
971-496 A Beaverton OR 750E ONVOY, LLC - OR 672   2024-11-18   
971-771 A Dayton OR 750E ONVOY, LLC - OR 672      
971-917 A Portland OR 750E ONVOY, LLC - OR 672      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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