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.
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Switch: DIXNILXA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-208 A Fulton IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364      
815-400 A Morrison IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364      
815-565 A Savanna IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364      
815-897 A Lyndon IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364      
815-902 A Thomson IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364      
815-906 A Mount Carroll IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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