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: 503 [Rate centres in NPA 503] [Dial plan for NPA 503]

NXX: 565

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-565 A McMinnville OR BVTNORXBX1Y  750E ONVOY, LLC - OR 672      
503-565 0 McMinnville OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2026-06-06   
503-565 1 McMinnville OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2026-10-02   
503-565 2 McMinnville OR BVTNORXBX1Y  750E ONVOY, LLC - OR 672      
503-565 3 McMinnville OR BVTNORXBX1Y  750E ONVOY, LLC - OR 672      
503-565 4 McMinnville OR BVTNORXBX1Y  750E ONVOY, LLC - OR 672      
503-565 5 McMinnville OR BVTNORXBX1Y  750E ONVOY, LLC - OR 672      
503-565 6 McMinnville OR STTLWAWB12Z  145J TERRA NOVA TELECOM INC. 672   2026-03-18   
503-565 7 McMinnville OR   750E ONVOY, LLC - OR 672   2026-10-03   
503-565 8 McMinnville OR   750E ONVOY, LLC - OR 672   2026-10-03   
503-565 9 McMinnville OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2026-08-08   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.