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.

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

NXX: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-404 A Roodhouse IL JCVLILAA0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 376      
217-404 0 Roodhouse IL JCVLILAA0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 376      
217-404 1 Roodhouse IL JCVLILAAZMD  073H TELNYX LLC 376   2022-08-14   
217-404 2 Roodhouse IL JCVLILXCX6X  624H ONVOY SPECTRUM, LLC 376   2023-07-07   
217-404 3 Roodhouse IL JCVLILHS0MD  939H COMMIO, LLC 376   2023-09-11   
217-404 4 Roodhouse IL JCVLILAA0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 376      
217-404 5 Roodhouse IL JCVLILXCDMD  224C ONVOY, LLC 376   2021-02-26   
217-404 6 Roodhouse IL JCVLILHS0MD  939H COMMIO, LLC 376   2023-09-11   
217-404 7 Roodhouse IL JCVLILHS0MD  939H COMMIO, LLC 376   2023-09-11   
217-404 8 Roodhouse IL JCVLILHS0MD  939H COMMIO, LLC 376   2023-09-11   
217-404 9 Roodhouse IL JCVLILHS0MD  939H COMMIO, LLC 376   2023-09-11   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.