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: 745

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-745 A Sibley IL SBLYILXCRS1  1015 FRONTIER NORTH, INC. - IL 370      
217-745 1 Sibley IL   1015 FRONTIER NORTH, INC. - IL 370      
217-745 2 Sibley IL   1015 FRONTIER NORTH, INC. - IL 370      
217-745 3 Sibley IL   073H TELNYX LLC 370   2020-07-20   
217-745 4 Sibley IL   593K MCC TELEPHONY LLC 370   2016-06-02   
217-745 5 Sibley IL   224C ONVOY, LLC 370   2018-10-07   
217-745 6 Sibley IL   224C ONVOY, LLC 370   2019-07-05   
217-745 7 Sibley IL   508J CENTURYLINK COMMUNICATIONS, LLC 370   2016-06-16   
217-745 8 Sibley IL   224C ONVOY, LLC 370   2019-07-05   

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

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