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: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-599 A Barrington IL CHCGILWURMD  965H FRACTEL, LLC 358      
224-599 0 Barrington IL   224C ONVOY, LLC 358   2024-03-01   
224-599 1 Barrington IL   515J IP HORIZON LLC 358   2021-06-26   
224-599 2 Barrington IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-07-12   
224-599 3 Barrington IL   624H ONVOY SPECTRUM, LLC 358   2021-06-27   
224-599 4 Barrington IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-07-12   
224-599 5 Barrington IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-08-15   
224-599 6 Barrington IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-08-15   
224-599 7 Barrington IL   6529 T-MOBILE USA, INC. 358   2021-08-12   
224-599 8 Barrington IL   6529 T-MOBILE USA, INC. 358   2021-08-12   
224-599 9 Barrington IL   965H FRACTEL, LLC 358   2020-09-11   

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

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