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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-255 A Winnetka IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
224-255 0 Winnetka IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-28   
224-255 1 Winnetka IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2023-10-16   
224-255 2 Winnetka IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-02-20   
224-255 3 Winnetka IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-06-08   
224-255 4 Winnetka IL CHCGIL24DS6  224C ONVOY, LLC 358   2012-09-30   
224-255 5 Winnetka IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-18   
224-255 6 Winnetka IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2013-05-23   
224-255 7 Winnetka IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-18   
224-255 8 Winnetka IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-28   
224-255 9 Winnetka IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-09-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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