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: 668

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-668 A Niantic IL NINTILXCRS0  1015 FRONTIER NORTH, INC. - IL 374      
217-668 0 Niantic IL   224C ONVOY, LLC 374   2023-09-30   
217-668 1 Niantic IL   073H TELNYX LLC 374   2024-07-01   
217-668 2 Niantic IL   1015 FRONTIER NORTH, INC. - IL 374      
217-668 3 Niantic IL   318J COMCAST IP PHONE, LLC 374   2006-08-09   
217-668 4 Niantic IL   624H ONVOY SPECTRUM, LLC 374   2024-05-25   
217-668 5 Niantic IL   318J COMCAST IP PHONE, LLC 374   2007-09-23   
217-668 6 Niantic IL   224C ONVOY, LLC 374   2018-07-30   
217-668 7 Niantic IL   224C ONVOY, LLC 374   2021-07-05   
217-668 8 Niantic IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 374   2005-02-14   
217-668 9 Niantic IL   1015 FRONTIER NORTH, INC. - IL 374      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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