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: 750E ONVOY, LLC - OR

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
503-852 5 Carlton OR   672   2018-12-06   
503-852 9 Carlton OR   672   2019-11-08   
503-854 0 Detroit OR   672   2012-12-17   
503-854 1 Detroit OR   672   2014-01-02   
503-854 4 Detroit OR   672   2012-12-17   
503-854 5 Detroit OR   672   2014-01-02   
503-854 6 Detroit OR   672   2010-12-20   
503-854 7 Detroit OR   672   2007-04-15   
503-854 9 Detroit OR   672   2017-11-03   
503-855 0 Stafford-Sandy OR   672   2016-07-29   
503-855 6 Stafford-Sandy OR   672   2018-04-29   
503-864 6 Dayton OR   672   2007-05-28   
503-868 0 Grand Island OR   672   2014-01-02   
503-868 2 Grand Island OR   672   2020-11-10   
503-868 3 Grand Island OR   672   2014-01-02   
503-868 4 Grand Island OR   672   2012-12-18   
503-868 5 Grand Island OR   672   2012-12-18   
503-868 6 Grand Island OR   672   2007-05-28   
503-874 6 Silverton OR   672   2007-04-15   
503-877 6 Salem OR   672   2010-03-27   
503-882 3 Clackamas OR   672   2007-06-08   
503-882 4 Clackamas OR   672   2007-06-08   
503-882 5 Clackamas OR   672   2007-06-08   
503-882 6 Clackamas OR   672   2007-06-08   
503-882 7 Clackamas OR   672   2025-10-18   
503-882 8 Clackamas OR   672   2007-06-08   
503-882 9 Clackamas OR   672   2025-10-18   
503-886 8 Portland OR   672   2004-11-20   
503-895 A Hood Land OR   672   2025-02-16   
503-895 0 Hood Land OR   672   2007-01-06   
503-897 9 Mill City OR   672   2007-04-15   
503-902 7 Woodburn OR   672   2010-08-14   
503-905 1 Clackamas OR   672      
503-905 6 Clackamas OR   672      
503-905 7 Clackamas OR   672      
503-905 8 Clackamas OR   672      
503-905 9 Clackamas OR   672      
503-907 5 Gresham OR   672      
503-907 6 Gresham OR   672      
503-907 7 Gresham OR   672      
503-907 8 Gresham OR   672      
503-907 9 Gresham OR   672      
503-912 7 Gresham OR   672   2007-05-28   
503-914 2 Portland OR   672      
503-914 4 Portland OR   672      
503-917 3 Dallas OR   672   2015-04-07   
503-919 2 Clackamas OR   672   2007-06-08   
503-919 3 Clackamas OR   672   2007-06-08   
503-919 4 Clackamas OR   672   2026-01-04   
503-924 7 Beaverton OR   672   2007-05-28   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.