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: 560

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
503-560 A McMinnville OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
503-560 0 McMinnville OR   6529 T-MOBILE USA, INC. 672      
503-560 1 McMinnville OR   6529 T-MOBILE USA, INC. 672      
503-560 2 McMinnville OR   6529 T-MOBILE USA, INC. 672      
503-560 3 McMinnville OR   6529 T-MOBILE USA, INC. 672      
503-560 4 McMinnville OR   6529 T-MOBILE USA, INC. 672      
503-560 5 McMinnville OR   6529 T-MOBILE USA, INC. 672      
503-560 6 McMinnville OR   6529 T-MOBILE USA, INC. 672      
503-560 7 McMinnville OR   6529 T-MOBILE USA, INC. 672      
503-560 8 McMinnville OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2008-03-04   
503-560 9 McMinnville OR   6529 T-MOBILE USA, INC. 672   2008-04-12   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.