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: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-570 A Waukegan IL CHCGILWUJMD  073H TELNYX LLC 358      
224-570 0 Waukegan IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2018-02-11   
224-570 1 Waukegan IL   073H TELNYX LLC 358   2017-02-03   
224-570 2 Waukegan IL   224C ONVOY, LLC 358   2017-09-21   
224-570 3 Waukegan IL   224C ONVOY, LLC 358   2017-09-21   
224-570 4 Waukegan IL   224C ONVOY, LLC 358   2017-09-21   
224-570 5 Waukegan IL   224C ONVOY, LLC 358   2017-09-21   
224-570 6 Waukegan IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2018-02-17   
224-570 7 Waukegan IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2018-02-11   
224-570 8 Waukegan IL   224C ONVOY, LLC 358   2019-07-07   
224-570 9 Waukegan IL   224C ONVOY, LLC 358   2019-07-07   

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

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