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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
872-999 9 Chicago Zone 02-Edgewater IL CHCGIL24DS6  224C ONVOY, LLC 358   2013-02-11   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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