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: ALTSIL010MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-506 1 Union IL 462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 358   2009-08-07   
815-581 2 Spring Grove IL 462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 358   2009-04-29   
815-596 1 Marengo IL 462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 358   2006-05-03   
815-770 A Harvard IL 462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 358      
815-770 0 Harvard IL 462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 358   2006-04-07   
815-770 9 Harvard IL 462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 358   2014-07-27   
815-862 A Richmond IL 462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 358      
815-862 1 Richmond IL 462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 358   2009-01-02   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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