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: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-237 A Waukegan IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
224-237 0 Waukegan IL   6529 T-MOBILE USA, INC. 358   2011-09-01   
224-237 1 Waukegan IL   6529 T-MOBILE USA, INC. 358   2011-09-01   
224-237 2 Waukegan IL   6529 T-MOBILE USA, INC. 358   2011-09-01   
224-237 3 Waukegan IL   6529 T-MOBILE USA, INC. 358   2011-09-01   
224-237 4 Waukegan IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-10-31   
224-237 5 Waukegan IL   6529 T-MOBILE USA, INC. 358   2011-10-19   
224-237 6 Waukegan IL   6529 T-MOBILE USA, INC. 358   2011-10-19   
224-237 7 Waukegan IL   6529 T-MOBILE USA, INC. 358   2011-10-19   
224-237 8 Waukegan IL   6529 T-MOBILE USA, INC. 358   2011-10-19   
224-237 9 Waukegan IL   6529 T-MOBILE USA, INC. 358   2011-09-01   

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

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