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: PTLDOR13VMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
971-837 9 Beaverton OR 939H COMMIO, LLC 672   2021-06-27   
971-867 A Portland OR 939H COMMIO, LLC 672      
971-867 5 Portland OR 939H COMMIO, LLC 672   2017-06-18   
971-899 5 Rainier OR 939H COMMIO, LLC 672   2022-11-27   
971-988 2 Astoria OR 939H COMMIO, LLC 672   2021-06-12   
971-988 4 Astoria OR 939H COMMIO, LLC 672   2021-06-12   
971-988 5 Astoria OR 939H COMMIO, LLC 672   2021-06-12   
971-988 6 Astoria OR 939H COMMIO, LLC 672   2021-06-12   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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