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: 259

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
464-259 A Cicero IL CHCGIL24DS6  224C ONVOY, LLC 358   2025-04-05   
464-259 0 Cicero IL CHCGIL24DS6  224C ONVOY, LLC 358   2025-04-05   
464-259 1 Cicero IL CHCGIL24DS6  224C ONVOY, LLC 358   2026-01-05   
464-259 2 Cicero IL CHCGIL24DS6  224C ONVOY, LLC 358   2026-05-10   
464-259 3 Cicero IL CHCGIL24DS6  224C ONVOY, LLC 358   2026-05-10   
464-259 4 Cicero IL   224C ONVOY, LLC 358   2026-10-11   
464-259 5 Cicero IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2026-07-16   
464-259 8 Cicero IL CHCGIL24DS6  224C ONVOY, LLC 358   2026-02-20   

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

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