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: 648

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-648 A Arlington Heights IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-07-21   
224-648 7 Arlington Heights IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-07-21   
224-648 8 Arlington Heights IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-07-21   
224-648 9 Arlington Heights IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-07-21   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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