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: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-374 A White Hall IL WHHAILXCRS0  1015 FRONTIER NORTH, INC. - IL 376      
217-374 0 White Hall IL   073H TELNYX LLC 376   2022-08-14   
217-374 1 White Hall IL   1015 FRONTIER NORTH, INC. - IL 376      
217-374 2 White Hall IL   1015 FRONTIER NORTH, INC. - IL 376      
217-374 3 White Hall IL   224C ONVOY, LLC 376   2020-09-05   
217-374 4 White Hall IL   224C ONVOY, LLC 376   2021-08-12   
217-374 6 White Hall IL   1015 FRONTIER NORTH, INC. - IL 376      
217-374 7 White Hall IL   224C ONVOY, LLC 376   2020-04-19   
217-374 8 White Hall IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 376   2005-02-14   
217-374 9 White Hall IL   224C ONVOY, LLC 376   2023-09-23   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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