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: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-597 A Lake Zurich IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-02   
224-597 0 Lake Zurich IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-02   
224-597 1 Lake Zurich IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-02   
224-597 2 Lake Zurich IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2024-11-11   
224-597 5 Lake Zurich IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2025-01-20   
224-597 8 Lake Zurich IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-05-06   
224-597 9 Lake Zurich IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2024-05-06   

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

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