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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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 807

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-807 A Greenfield IL JCVLILAA0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 376      
217-807 4 Greenfield IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 376      
217-807 7 Greenfield IL   224C ONVOY, LLC 376   2021-02-26   
217-807 8 Greenfield IL   224C ONVOY, LLC 376   2020-09-05   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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