Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 464 [Rate centres in NPA 464] [Dial plan for NPA 464]

NXX: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
464-284 A Chicago Heights IL   224C ONVOY, LLC 358      
464-284 0 Chicago Heights IL CHCGIL24DS6  224C ONVOY, LLC 358   2026-03-09   
464-284 1 Chicago Heights IL CHCGIL24DS6  224C ONVOY, LLC 358   2026-04-05   
464-284 2 Chicago Heights IL CHCGIL24DS6  224C ONVOY, LLC 358   2026-04-05   
464-284 5 Chicago Heights IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2026-03-09   
464-284 6 Chicago Heights IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2026-03-09   
464-284 7 Chicago Heights IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2026-03-09   
464-284 8 Chicago Heights IL ELGNILOTGT5  5562 METROPCS, INC. 358   2026-07-12   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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