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: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-424 A Libertyville IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
224-424 0 Libertyville IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-03-17   
224-424 1 Libertyville IL   515J IP HORIZON LLC 358   2013-09-30   
224-424 2 Libertyville IL   6529 T-MOBILE USA, INC. 358   2022-05-18   
224-424 3 Libertyville IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-03-17   
224-424 4 Libertyville IL   318J COMCAST IP PHONE, LLC 358   2014-07-09   
224-424 5 Libertyville IL   224C ONVOY, LLC 358   2014-09-29   
224-424 6 Libertyville IL   224C ONVOY, LLC 358   2014-09-29   
224-424 7 Libertyville IL   6529 T-MOBILE USA, INC. 358   2014-11-21   
224-424 8 Libertyville IL   6529 T-MOBILE USA, INC. 358   2014-11-21   
224-424 9 Libertyville IL   6529 T-MOBILE USA, INC. 358   2014-11-21   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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