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.

Yachats, OR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
458-546 A MDFDOR870MD  792K CHARTER IP ENABLED SERVICES, LLC 670   2025-03-05   
458-546 6 MDFDORRJDS0  826H INTEGRATED PATH COMMUNICATIONS-OREGON, LLC - OR 670   2018-08-07   
458-546 9 MDFDOR870MD  792K CHARTER IP ENABLED SERVICES, LLC 670   2017-11-25   
541-547 A PHLMORXADS1  2393 PIONEER TEL. COOPERATIVE 670      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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