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: PTLDOR69DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-275 A Portland OR 9638 QWEST CORPORATION 672      
503-279 A Portland OR 9638 QWEST CORPORATION 672      
503-326 A Portland OR 9638 QWEST CORPORATION 672      
503-340 A Portland OR 9638 QWEST CORPORATION 672      
503-425 A Portland OR 9638 QWEST CORPORATION 672      
503-425 0 Portland OR 9638 QWEST CORPORATION 672      
503-425 1 Portland OR 9638 QWEST CORPORATION 672      
503-425 2 Portland OR 9638 QWEST CORPORATION 672      
503-425 3 Portland OR 9638 QWEST CORPORATION 672      
503-425 4 Portland OR 9638 QWEST CORPORATION 672      
503-425 5 Portland OR 9638 QWEST CORPORATION 672      
503-425 6 Portland OR 9638 QWEST CORPORATION 672      
503-425 7 Portland OR 9638 QWEST CORPORATION 672      
503-425 8 Portland OR 9638 QWEST CORPORATION 672      
503-464 A Portland OR 9638 QWEST CORPORATION 672      
503-464 0 Portland OR 9638 QWEST CORPORATION 672      
503-464 1 Portland OR 9638 QWEST CORPORATION 672      
503-464 2 Portland OR 9638 QWEST CORPORATION 672      
503-464 3 Portland OR 9638 QWEST CORPORATION 672      
503-464 4 Portland OR 9638 QWEST CORPORATION 672      
503-464 5 Portland OR 9638 QWEST CORPORATION 672      
503-464 7 Portland OR 9638 QWEST CORPORATION 672      
503-464 8 Portland OR 9638 QWEST CORPORATION 672      
503-464 9 Portland OR 9638 QWEST CORPORATION 672      
503-823 A Portland OR 9638 QWEST CORPORATION 672      
503-827 A Portland OR 9638 QWEST CORPORATION 672      
503-865 A Portland OR 9638 QWEST CORPORATION 672      
503-886 A Portland OR 9638 QWEST CORPORATION 672      
503-886 0 Portland OR 9638 QWEST CORPORATION 672      
503-886 1 Portland OR 9638 QWEST CORPORATION 672      
503-886 2 Portland OR 9638 QWEST CORPORATION 672      
503-886 3 Portland OR 9638 QWEST CORPORATION 672      
503-886 4 Portland OR 9638 QWEST CORPORATION 672      
503-886 5 Portland OR 9638 QWEST CORPORATION 672      
503-886 6 Portland OR 9638 QWEST CORPORATION 672      
503-886 7 Portland OR 9638 QWEST CORPORATION 672      
503-916 A Portland OR 9638 QWEST CORPORATION 672      
503-916 0 Portland OR 9638 QWEST CORPORATION 672      
503-916 1 Portland OR 9638 QWEST CORPORATION 672      
503-916 2 Portland OR 9638 QWEST CORPORATION 672      
503-916 3 Portland OR 9638 QWEST CORPORATION 672      
503-916 4 Portland OR 9638 QWEST CORPORATION 672      
503-916 5 Portland OR 9638 QWEST CORPORATION 672      
503-916 6 Portland OR 9638 QWEST CORPORATION 672      
503-916 7 Portland OR 9638 QWEST CORPORATION 672      
503-916 8 Portland OR 9638 QWEST CORPORATION 672      

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

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