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: PTLDOR14DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-240 A Portland OR 9638 QWEST CORPORATION 672      
503-247 A Portland OR 9638 QWEST CORPORATION 672      
503-283 A Portland OR 9638 QWEST CORPORATION 672      
503-285 A Portland OR 9638 QWEST CORPORATION 672      
503-286 A Portland OR 9638 QWEST CORPORATION 672      
503-289 A Portland OR 9638 QWEST CORPORATION 672      
503-735 A Portland OR 9638 QWEST CORPORATION 672      
503-735 0 Portland OR 9638 QWEST CORPORATION 672      
503-735 1 Portland OR 9638 QWEST CORPORATION 672      
503-735 2 Portland OR 9638 QWEST CORPORATION 672      
503-735 3 Portland OR 9638 QWEST CORPORATION 672      
503-735 4 Portland OR 9638 QWEST CORPORATION 672      
503-735 6 Portland OR 9638 QWEST CORPORATION 672      
503-735 7 Portland OR 9638 QWEST CORPORATION 672      
503-735 8 Portland OR 9638 QWEST CORPORATION 672      
503-735 9 Portland OR 9638 QWEST CORPORATION 672      
503-737 A Portland OR 9638 QWEST CORPORATION 672      
503-737 0 Portland OR 9638 QWEST CORPORATION 672      
503-737 1 Portland OR 9638 QWEST CORPORATION 672      
503-737 2 Portland OR 9638 QWEST CORPORATION 672      
503-737 3 Portland OR 9638 QWEST CORPORATION 672      
503-737 6 Portland OR 9638 QWEST CORPORATION 672      
503-978 A Portland OR 9638 QWEST CORPORATION 672      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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