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: 675

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-675 A Cary IL   224C ONVOY, LLC 358   2026-02-08   
224-675 0 Cary IL   224C ONVOY, LLC 358   2026-02-08   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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