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: CHMPILCPXUX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-427 1 Catlin IL 939H COMMIO, LLC 370   2022-11-19   
217-680 8 Gibson City IL 939H COMMIO, LLC 370   2022-08-15   
217-800 A Champaign-Urbana IL 939H COMMIO, LLC 370      
217-800 0 Champaign-Urbana IL 939H COMMIO, LLC 370   2017-06-19   
217-800 7 Champaign-Urbana IL 939H COMMIO, LLC 370   2024-02-02   
217-800 9 Champaign-Urbana IL 939H COMMIO, LLC 370   2024-02-02   
217-907 8 St Joseph IL 939H COMMIO, LLC 370   2022-08-15   
447-244 8 Georgetown IL 939H COMMIO, LLC 370   2022-11-26   
447-277 0 Philo IL 939H COMMIO, LLC 370   2021-07-24   
447-277 1 Philo IL 939H COMMIO, LLC 370   2021-07-24   
447-277 9 Philo IL 939H COMMIO, LLC 370   2024-02-02   
447-285 A Danville IL 939H COMMIO, LLC 370   2024-03-08   
447-285 0 Danville IL 939H COMMIO, LLC 370   2024-03-08   
447-285 1 Danville IL 939H COMMIO, LLC 370   2024-03-08   
447-285 2 Danville IL 939H COMMIO, LLC 370   2024-03-08   
447-832 0 Oakwood IL 939H COMMIO, LLC 370   2022-12-10   
447-867 1 Westville IL 939H COMMIO, LLC 370   2022-08-15   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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