Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Piper City, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
779-979 A BLTNILXDXMX  224C ONVOY, LLC 366      
779-979 2   624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-979 7   224C ONVOY, LLC 366   2021-06-18   
815-686 A PPCYILXARS0  1015 FRONTIER NORTH, INC. - IL 366      
815-686 1   224C ONVOY, LLC 366   2019-01-17   
815-686 2   1015 FRONTIER NORTH, INC. - IL 366      
815-686 3   224C ONVOY, LLC 366   2019-07-15   
815-686 4   224C ONVOY, LLC 366   2019-07-15   
815-686 5   073H TELNYX LLC 366   2020-07-19   
815-686 6   495J STRATUS NETWORKS 366   2021-03-31   
815-686 7   508J CENTURYLINK COMMUNICATIONS, LLC 366   2014-08-13   
815-686 8   1015 FRONTIER NORTH, INC. - IL 366      
815-686 9   1015 FRONTIER NORTH, INC. - IL 366      

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

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