Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-401 A Bluffs IL JCVLILAAZMD  073H TELNYX LLC 376      
217-401 0 Bluffs IL   073H TELNYX LLC 376   2021-12-02   
217-401 1 Bluffs IL   224C ONVOY, LLC 376   2021-02-26   
217-401 2 Bluffs IL   224C ONVOY, LLC 376   2021-10-15   
217-401 3 Bluffs IL   624H ONVOY SPECTRUM, LLC 376   2023-07-07   
217-401 4 Bluffs IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 376      
217-401 9 Bluffs IL   939H COMMIO, LLC 376   2022-11-07   

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

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