Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: BLTNILXDXHY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
779-305 7 Reddick IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-306 3 Pontiac IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-307 4 Lostant IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-308 3 Chatsworth IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-397 A Cabery IL 624H ONVOY SPECTRUM, LLC 366      
779-397 3 Cabery IL 624H ONVOY SPECTRUM, LLC 366   2023-07-07   
779-466 4 Emington IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-479 5 Graymont IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-579 3 Kempton IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-679 2 Magnolia IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-879 5 Streator IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
779-979 2 Piper City IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
815-559 7 Chenoa IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
815-567 1 Campus IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
815-647 4 Cullom IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
815-688 2 Strawn IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
815-702 4 Saunemin IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   
815-998 4 Odell IL 624H ONVOY SPECTRUM, LLC 366   2023-06-02   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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