Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 872 [Rate centres in NPA 872] [Dial plan for NPA 872]

NXX: 880

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
872-880 A Chicago Zone 01-Calumet IL   193E 8X8, INC. 358   2026-11-12   
872-880 1 Chicago Zone 01-Calumet IL   193E 8X8, INC. 358   2026-11-12   
872-880 8 Chicago Zone 01-Calumet IL   490J BOOST SUBSCRIBERCO L.L.C. 358   2026-11-13   

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

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