Local Calling Guide

Area code/prefix search

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

NXX: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-900 A Frankfort IL CHCGILWURMD  965H FRACTEL, LLC 358      
779-900 0 Frankfort IL   965H FRACTEL, LLC 358   2019-11-12   
779-900 1 Frankfort IL   495J STRATUS NETWORKS 358   2020-10-02   
779-900 2 Frankfort IL   224C ONVOY, LLC 358   2020-08-07   
779-900 3 Frankfort IL   224C ONVOY, LLC 358   2020-08-07   
779-900 4 Frankfort IL   197D VONAGE AMERICA LLC 358   2020-10-15   
779-900 5 Frankfort IL   197D VONAGE AMERICA LLC 358   2020-10-15   
779-900 6 Frankfort IL   624H ONVOY SPECTRUM, LLC 358   2024-04-20   
779-900 7 Frankfort IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-07-11   
779-900 8 Frankfort IL   318J COMCAST IP PHONE, LLC 358   2020-03-04   
779-900 9 Frankfort IL   965H FRACTEL, LLC 358   2019-11-12   

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

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