Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 224 [Rate centres in NPA 224] [Dial plan for NPA 224]

NXX: 686

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-686 A Park Ridge IL   224C ONVOY, LLC 358   2026-06-07   
224-686 0 Park Ridge IL   224C ONVOY, LLC 358   2026-06-07   

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

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