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: 596

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-596 A Libertyville IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-04-28   
224-596 0 Libertyville IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-04-28   
224-596 1 Libertyville IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-04-30   
224-596 9 Libertyville IL   224C ONVOY, LLC 358   2026-01-11   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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