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: PTLDOR13DS3

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-215 A Portland OR 9638 QWEST CORPORATION 672      
503-230 A Portland OR 9638 QWEST CORPORATION 672      
503-231 A Portland OR 9638 QWEST CORPORATION 672      
503-232 A Portland OR 9638 QWEST CORPORATION 672      
503-233 A Portland OR 9638 QWEST CORPORATION 672      
503-234 A Portland OR 9638 QWEST CORPORATION 672      
503-235 A Portland OR 9638 QWEST CORPORATION 672      
503-236 A Portland OR 9638 QWEST CORPORATION 672      
503-238 A Portland OR 9638 QWEST CORPORATION 672      
503-239 A Portland OR 9638 QWEST CORPORATION 672      
503-731 A Portland OR 9638 QWEST CORPORATION 672      
503-736 A Portland OR 9638 QWEST CORPORATION 672      
503-797 A Portland OR 9638 QWEST CORPORATION 672      
503-813 A Portland OR 9638 QWEST CORPORATION 672      
503-872 A Portland OR 9638 QWEST CORPORATION 672      
503-962 A Portland OR 9638 QWEST CORPORATION 672      
503-963 A Portland OR 9638 QWEST CORPORATION 672      
971-673 A Portland OR 9638 QWEST CORPORATION 672      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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