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: 479

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-479 A Northbrook IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
224-479 0 Northbrook IL CHCGIL24DS6  224C ONVOY, LLC 358   2014-12-30   
224-479 1 Northbrook IL CHCGIL24DS6  224C ONVOY, LLC 358   2014-12-30   
224-479 2 Northbrook IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2015-02-19   
224-479 3 Northbrook IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-12-17   
224-479 4 Northbrook IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-12-17   
224-479 5 Northbrook IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2014-12-08   
224-479 6 Northbrook IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2014-12-08   
224-479 7 Northbrook IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2014-12-08   
224-479 8 Northbrook IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2014-12-08   
224-479 9 Northbrook IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2014-12-08   

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

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