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: MDFDOR87PS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
541-499 A Medford OR 352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670   2007-05-31   
541-500 A Medford OR 352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670   2012-10-15   
541-635 A Toledo OR 352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670   2008-03-03   
541-802 A Oakland OR 352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670   2012-11-04   
541-897 A Phoenix OR 352D CHARTER FIBERLINK OR-CCVII, LLC - OR 670   2007-06-18   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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