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: CHMPILCPXUX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-800 A Champaign-Urbana IL 939H COMMIO LLC 370      
217-800 0 Champaign-Urbana IL 939H COMMIO LLC 370   2017-06-19   
447-277 0 Philo IL 939H COMMIO LLC 370   2021-07-24   
447-277 1 Philo IL 939H COMMIO LLC 370   2021-07-24   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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