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: SPFDILES8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-576 1 Rochester IL 939H COMMIO, LLC 374      
217-636 1 Athens IL 939H COMMIO, LLC 374      
217-636 9 Athens IL 939H COMMIO, LLC 374      
217-809 6 Decatur IL 939H COMMIO, LLC 374      
217-809 7 Decatur IL 939H COMMIO, LLC 374      
217-809 8 Decatur IL 939H COMMIO, LLC 374      
217-809 9 Decatur IL 939H COMMIO, LLC 374      
217-843 A Springfield IL 939H COMMIO, LLC 374      
217-843 2 Springfield IL 939H COMMIO, LLC 374      
447-274 0 Petersburg IL 939H COMMIO, LLC 374      
447-356 8 Riverton IL 939H COMMIO, LLC 374      
447-786 8 Harristown IL 939H COMMIO, LLC 374      
447-837 8 Buffalo IL 939H COMMIO, LLC 374      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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