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: 386

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-386 A Palatine IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
224-386 0 Palatine IL   224C ONVOY, LLC 358   2014-12-30   
224-386 1 Palatine IL   224C ONVOY, LLC 358   2014-12-30   
224-386 2 Palatine IL   138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL 358   2015-04-24   
224-386 3 Palatine IL   224C ONVOY, LLC 358   2016-02-25   
224-386 4 Palatine IL   6529 T-MOBILE USA, INC. 358   2015-01-16   
224-386 5 Palatine IL   6529 T-MOBILE USA, INC. 358   2015-01-16   
224-386 6 Palatine IL   6529 T-MOBILE USA, INC. 358   2015-01-16   
224-386 7 Palatine IL   6529 T-MOBILE USA, INC. 358   2015-01-16   
224-386 8 Palatine IL   6529 T-MOBILE USA, INC. 358   2015-01-16   
224-386 9 Palatine IL   6529 T-MOBILE USA, INC. 358   2014-10-17   

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

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