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: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-733 A Chicago Zone 06-Lafayette IL CHCGILWUDS0  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-733 0 Chicago Zone 06-Lafayette IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-10-25   
773-733 1 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-08-27   
773-733 2 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-08-27   
773-733 3 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-08-27   
773-733 4 Chicago Zone 06-Lafayette IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2002-10-28   
773-733 5 Chicago Zone 06-Lafayette IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-733 6 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-09-13   
773-733 7 Chicago Zone 06-Lafayette IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2004-09-09   
773-733 8 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-10-16   
773-733 9 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-10-16   

Last updated: Fri, 20 Mar 2020 01:24:24 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.