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: 574

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-574 A Fairmount IL CHMPILCPX0Y  073H TELNYX LLC 370      
217-574 0 Fairmount IL CHMPILCPDS1  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2015-01-10   
217-574 1 Fairmount IL CHMPILCPX0Y  073H TELNYX LLC 370   2018-06-28   
217-574 2 Fairmount IL CHMPILCPDS1  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 370   2021-07-11   
217-574 4 Fairmount IL CHMPILCPOMD  224C ONVOY, LLC 370   2013-11-29   
217-574 5 Fairmount IL CHMPILCPOMD  224C ONVOY, LLC 370   2018-11-02   
217-574 6 Fairmount IL CHMPILCPXOX  508J CENTURYLINK COMMUNICATIONS, LLC 370   2016-06-11   
217-574 7 Fairmount IL CHMPILRAVMD  516C AT&T CORP. 370   2008-12-21   
217-574 8 Fairmount IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-08-09   
217-574 9 Fairmount IL   515J IP HORIZON LLC 370   2022-04-09   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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