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: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-321 A Waukegan IL ELGNILOTGT5  5562 METROPCS, INC. 358   2024-01-07   
224-321 0 Waukegan IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2007-09-12   
224-321 1 Waukegan IL   829J PAETEC ITEL, LLC 358   2006-11-20   
224-321 2 Waukegan IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2007-01-08   
224-321 3 Waukegan IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2007-01-08   
224-321 4 Waukegan IL   6529 T-MOBILE USA, INC. 358   2007-03-20   
224-321 5 Waukegan IL   829J PAETEC ITEL, LLC 358   2007-01-11   
224-321 6 Waukegan IL   5562 METROPCS, INC. 358   2007-03-20   
224-321 7 Waukegan IL   5562 METROPCS, INC. 358   2007-03-20   
224-321 8 Waukegan IL   5562 METROPCS, INC. 358   2006-11-18   
224-321 9 Waukegan IL   6529 T-MOBILE USA, INC. 358   2006-11-18   

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

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