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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
872-500 A Chicago Zone 04-Humboldt IL   883K AHOI LLC 358   2026-05-15   
872-500 0 Chicago Zone 04-Humboldt IL   883K AHOI LLC 358   2026-05-15   
872-500 5 Chicago Zone 04-Humboldt IL   114J EXIANT COMMUNICATIONS LLC 358   2026-05-18   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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