Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
779-388 0 Crystal Lake IL 624H ONVOY SPECTRUM, LLC 358   2024-05-25   
779-390 0 Lockport IL 624H ONVOY SPECTRUM, LLC 358   2024-05-15   
779-391 A New Lenox IL 624H ONVOY SPECTRUM, LLC 358   2024-05-20   
779-391 0 New Lenox IL 624H ONVOY SPECTRUM, LLC 358   2024-05-20   
779-392 A Oglesby IL 624H ONVOY SPECTRUM, LLC 358   2024-05-20   
779-392 0 Oglesby IL 624H ONVOY SPECTRUM, LLC 358   2024-05-20   
779-393 A Watseka IL 624H ONVOY SPECTRUM, LLC 358   2024-06-02   
779-393 0 Watseka IL 624H ONVOY SPECTRUM, LLC 358   2024-06-02   
779-394 A Wellington IL 624H ONVOY SPECTRUM, LLC 358   2024-06-02   
779-394 0 Wellington IL 624H ONVOY SPECTRUM, LLC 358   2024-06-02   
779-426 8 Manhattan IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
779-463 9 Morris IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
779-465 2 Braidwood IL 624H ONVOY SPECTRUM, LLC 358   2021-11-13   
779-465 5 Braidwood IL 624H ONVOY SPECTRUM, LLC 358   2021-06-27   
779-465 9 Braidwood IL 624H ONVOY SPECTRUM, LLC 358   2021-11-13   
779-599 8 Paw Paw IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
779-600 5 Cissna Park IL 624H ONVOY SPECTRUM, LLC 358   2021-06-28   
779-600 9 Cissna Park IL 624H ONVOY SPECTRUM, LLC 358   2021-11-13   
779-758 1 Joliet IL 624H ONVOY SPECTRUM, LLC 358   2021-07-10   
779-758 2 Joliet IL 624H ONVOY SPECTRUM, LLC 358   2021-07-10   
779-758 3 Joliet IL 624H ONVOY SPECTRUM, LLC 358   2021-07-10   
779-758 9 Joliet IL 624H ONVOY SPECTRUM, LLC 358   2021-07-10   
779-766 8 Depue IL 624H ONVOY SPECTRUM, LLC 358   2024-04-20   
779-783 0 Stockland IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
779-837 1 Elwood IL 624H ONVOY SPECTRUM, LLC 358   2024-04-20   
779-877 6 Verona IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
779-899 8 Lisbon IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
779-900 6 Frankfort IL 624H ONVOY SPECTRUM, LLC 358   2024-04-20   
779-927 1 Marengo IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
779-931 1 Sandwich IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
779-946 8 Granville IL 624H ONVOY SPECTRUM, LLC 358   2024-04-20   
779-991 8 Leland IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
779-997 0 Plattville IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
815-237 9 Gardner IL 624H ONVOY SPECTRUM, LLC 358   2024-04-20   
815-265 1 Gilman IL 624H ONVOY SPECTRUM, LLC 358   2024-04-20   
815-371 8 Utica IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
815-414 4 Earlville IL 624H ONVOY SPECTRUM, LLC 358   2024-04-20   
815-446 7 Cedar Point IL 624H ONVOY SPECTRUM, LLC 358   2021-07-16   
815-617 5 Ottawa IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
815-642 3 Minooka IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
815-655 9 Coal City IL 624H ONVOY SPECTRUM, LLC 358   2021-06-28   
815-658 8 Newark IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
815-694 4 Clifton IL 624H ONVOY SPECTRUM, LLC 358   2021-11-13   
815-694 9 Clifton IL 624H ONVOY SPECTRUM, LLC 358   2021-11-13   
815-697 0 Chebanse IL 624H ONVOY SPECTRUM, LLC 358   2021-11-13   
815-697 9 Chebanse IL 624H ONVOY SPECTRUM, LLC 358   2021-11-13   
815-698 4 Ashkum IL 624H ONVOY SPECTRUM, LLC 358   2020-06-29   
815-698 8 Ashkum IL 624H ONVOY SPECTRUM, LLC 358   2020-06-29   
815-755 1 Seneca IL 624H ONVOY SPECTRUM, LLC 358   2024-04-28   
815-771 0 Ashkum IL 624H ONVOY SPECTRUM, LLC 358   2021-11-13   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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