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: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-576 A Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-29   
224-576 0 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-29   
224-576 1 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-29   
224-576 2 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-29   
224-576 3 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-29   
224-576 4 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-29   
224-576 6 Waukegan IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2024-08-08   
224-576 7 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-06-30   
224-576 8 Waukegan IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-04-12   
224-576 9 Waukegan IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-06-30   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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