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: THDLORXADMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
971-467 5 Portland OR 7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2023-12-11   
971-467 6 Portland OR 7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2023-12-11   
971-467 7 Portland OR 7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2023-12-11   
971-467 8 Portland OR 7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2023-12-11   
971-467 9 Portland OR 7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2023-12-11   
971-606 6 Astoria OR 7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2017-07-24   
971-715 6 Aurora OR 7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2018-06-25   
971-802 5 Sheridan OR 7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2022-04-01   
971-864 5 Beaverton OR 7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2017-05-26   
971-999 4 Yamhill OR 7531 TELEPORT COMMUNICATIONS AMERICA, LLC - OR 672   2019-02-18   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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