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.

OCN: 3234 LEVEL 3 COMMUNICATIONS, LLC - OR

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
503-549 4 Beaverton OR   672      
503-563 A Stafford-Sandy OR   672      
503-563 1 Stafford-Sandy OR   672      
503-563 4 Stafford-Sandy OR   672      
503-563 7 Stafford-Sandy OR   672      
503-564 A Hood Land OR PTLGORIA7MD  672      
503-564 0 Hood Land OR   672   2005-07-15   
503-564 1 Hood Land OR   672   2005-07-15   
503-564 4 Hood Land OR   672   2005-03-25   
503-573 A Gresham OR   672      
503-573 2 Gresham OR   672      
503-573 4 Gresham OR   672      
503-573 5 Gresham OR   672      
503-573 6 Gresham OR   672      
503-573 8 Gresham OR   672   2011-08-19   
503-575 9 Portland OR   672   2009-04-27   
503-600 5 Molalla OR   672   2024-07-15   
503-608 4 Beaverton OR   672   2004-08-11   
503-608 7 Beaverton OR   672   2005-01-20   
503-609 1 Corbett OR   672   2025-03-31   
503-616 2 Beaverton OR   672   2005-01-20   
503-616 3 Beaverton OR   672   2005-01-20   
503-616 4 Beaverton OR   672   2005-01-20   
503-616 5 Beaverton OR   672   2005-01-20   
503-616 7 Beaverton OR   672   2005-01-20   
503-622 8 Hood Land OR   672   2002-05-08   
503-664 1 Beaver OR   672   2019-04-28   
503-664 3 Beaver OR   672   2014-01-28   
503-664 4 Beaver OR   672   2005-10-09   
503-683 7 Clackamas OR   672   2012-11-16   
503-713 A Beaverton OR PTLGORIA7MD  672      
503-713 0 Beaverton OR   672      
503-713 4 Beaverton OR   672      
503-713 6 Beaverton OR   672      
503-715 A Portland OR   672      
503-715 0 Portland OR   672      
503-715 1 Portland OR   672      
503-715 2 Portland OR   672      
503-715 3 Portland OR   672      
503-715 5 Portland OR   672      
503-715 8 Portland OR   672      
503-715 9 Portland OR   672      
503-728 6 Clatskanie OR   672   2012-02-17   
503-734 2 Portland OR   672   2007-07-27   
503-746 8 Beaverton OR   672   2008-07-17   
503-746 9 Beaverton OR   672   2008-07-17   
503-766 2 Gresham OR   672   2005-05-01   
503-766 3 Gresham OR   672   2005-05-01   
503-766 4 Gresham OR   672   2005-05-01   
503-766 5 Gresham OR   672   2011-04-01   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.