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: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-380 A Plato Center IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
224-380 0 Plato Center IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-04-12   
224-380 1 Plato Center IL CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358   2022-03-17   
224-380 2 Plato Center IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2026-06-14   
224-380 4 Plato Center IL CHCGILWUIMD  197D VONAGE AMERICA LLC 358   2022-07-15   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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