Local Calling Guide

Area code/prefix search

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NPA: 464 [Rate centres in NPA 464] [Dial plan for NPA 464]

NXX: 241

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
464-241 A Calumet City IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-12   
464-241 0 Calumet City IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-12   
464-241 1 Calumet City IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2025-02-06   
464-241 2 Calumet City IL CHCGIL24DS6  224C ONVOY, LLC 358   2025-10-26   
464-241 7 Calumet City IL   114J EXIANT COMMUNICATIONS LLC 358   2026-10-30   
464-241 8 Calumet City IL CHCGIL24DS6  224C ONVOY, LLC 358   2025-02-01   
464-241 9 Calumet City IL CHCGIL24DS6  224C ONVOY, LLC 358   2025-04-06   

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

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