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: ORCYOR18DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-557 A Clackamas OR 9638 QWEST CORPORATION 672      
503-650 A Clackamas OR 9638 QWEST CORPORATION 672      
503-655 A Clackamas OR 9638 QWEST CORPORATION 672      
503-656 A Clackamas OR 9638 QWEST CORPORATION 672      
503-657 A Clackamas OR 9638 QWEST CORPORATION 672      
503-683 4 Clackamas OR 9638 QWEST CORPORATION 672   2011-04-06   
503-683 5 Clackamas OR 9638 QWEST CORPORATION 672   2011-04-06   
503-683 6 Clackamas OR 9638 QWEST CORPORATION 672   2011-04-06   
503-722 A Clackamas OR 9638 QWEST CORPORATION 672      
503-723 A Clackamas OR 9638 QWEST CORPORATION 672      
503-742 A Clackamas OR 9638 QWEST CORPORATION 672      
503-742 0 Clackamas OR 9638 QWEST CORPORATION 672      
503-742 1 Clackamas OR 9638 QWEST CORPORATION 672      
503-742 2 Clackamas OR 9638 QWEST CORPORATION 672      
503-742 4 Clackamas OR 9638 QWEST CORPORATION 672      
503-742 5 Clackamas OR 9638 QWEST CORPORATION 672      
503-742 6 Clackamas OR 9638 QWEST CORPORATION 672      
503-742 7 Clackamas OR 9638 QWEST CORPORATION 672      
503-742 8 Clackamas OR 9638 QWEST CORPORATION 672      
503-742 9 Clackamas OR 9638 QWEST CORPORATION 672      
503-785 8 Clackamas OR 9638 QWEST CORPORATION 672   2003-01-04   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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