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.

OCN: 745G WIDE VOICE, LLC - OR

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
458-458 A Eugene OR   670   2025-06-12   
458-458 1 Eugene OR   670   2025-06-12   
971-871 A Portland OR   672   2025-06-12   
971-871 1 Portland OR   672   2025-06-12   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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