Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 224 [Rate centres in NPA 224] [Dial plan for NPA 224]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-772 A North Chicago IL NCHCILNCDS0  9329 AMERITECH ILLINOIS 358      
224-772 0 North Chicago IL   6664 SPRINT SPECTRUM L.P. 358   2004-05-14   
224-772 1 North Chicago IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-09-12   
224-772 2 North Chicago IL   9329 AMERITECH ILLINOIS 358   2002-10-24   
224-772 3 North Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-05   
224-772 4 North Chicago IL   6529 T-MOBILE USA, INC. 358   2008-05-12   
224-772 5 North Chicago IL   6529 T-MOBILE USA, INC. 358   2008-05-12   
224-772 6 North Chicago IL   224C ONVOY, LLC 358   2014-10-15   
224-772 7 North Chicago IL   6664 SPRINT SPECTRUM L.P. 358   2006-06-17   
224-772 8 North Chicago IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2004-05-15   
224-772 9 North Chicago IL   6664 SPRINT SPECTRUM L.P. 358   2005-11-14   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.