Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 224 [Rate centres in NPA 224] [Dial plan for NPA 224]

NXX: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-621 A Waukegan IL CHCGILWUXMD  490J DISH WIRELESS, LLC 358   2024-12-26   
224-621 0 Waukegan IL CHCGILWUXMD  490J DISH WIRELESS, LLC 358   2024-12-26   
224-621 1 Waukegan IL CHCGILWUXMD  490J DISH WIRELESS, LLC 358   2025-04-19   
224-621 2 Waukegan IL CHCGILWUXMD  490J DISH WIRELESS, LLC 358   2025-04-19   
224-621 6 Waukegan IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2025-01-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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