Local Calling Guide

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NPA: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-800 A Crystal Lake IL CHCGIL24DS6  224C ONVOY, LLC 358      
779-800 0 Crystal Lake IL   224C ONVOY, LLC 358   2013-06-02   
779-800 1 Crystal Lake IL   224C ONVOY, LLC 358   2023-04-07   
779-800 2 Crystal Lake IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
779-800 3 Crystal Lake IL   224C ONVOY, LLC 358   2014-04-12   
779-800 4 Crystal Lake IL   224C ONVOY, LLC 358   2013-06-02   
779-800 5 Crystal Lake IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-04   
779-800 6 Crystal Lake IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-05-21   
779-800 7 Crystal Lake IL   508J CENTURYLINK COMMUNICATIONS, LLC 358   2013-06-28   
779-800 8 Crystal Lake IL   224C ONVOY, LLC 358   2013-06-02   
779-800 9 Crystal Lake IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-05-21   

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

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