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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
224-400 A Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2024-02-26   
224-400 0 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2011-09-28   
224-400 1 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2011-12-15   
224-400 2 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2012-03-22   
224-400 3 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2012-03-22   
224-400 4 Arlington Heights IL CHCGIL24DS6  224C ONVOY, LLC 358   2011-09-28   
224-400 5 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2012-03-22   
224-400 6 Arlington Heights IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-01-31   
224-400 7 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2011-03-11   
224-400 8 Arlington Heights IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2011-03-11   
224-400 9 Arlington Heights IL OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2011-03-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.