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: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-409 A Carrollton IL JCVLILAA0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 376      
217-409 0 Carrollton IL   939H COMMIO, LLC 376   2023-09-11   
217-409 1 Carrollton IL   939H COMMIO, LLC 376   2023-09-11   
217-409 2 Carrollton IL   624H ONVOY SPECTRUM, LLC 376   2023-07-07   
217-409 3 Carrollton IL   939H COMMIO, LLC 376   2023-09-11   
217-409 4 Carrollton IL   224C ONVOY, LLC 376   2020-04-19   
217-409 5 Carrollton IL   939H COMMIO, LLC 376   2023-09-11   
217-409 6 Carrollton IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 376   2008-06-10   
217-409 7 Carrollton IL   939H COMMIO, LLC 376   2023-09-11   
217-409 8 Carrollton IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 376   2022-04-15   
217-409 9 Carrollton IL   073H TELNYX LLC 376   2022-08-12   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.