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.

Chicago Zone 02-Rogers Park, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-262 A CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      
773-273 A EVTNILEVDS0  9329 AMERITECH ILLINOIS 358      
773-273 0   6529 T-MOBILE USA, INC. 358   2006-06-26   
773-273 1   6529 T-MOBILE USA, INC. 358   2006-06-26   
773-273 2   9329 AMERITECH ILLINOIS 358      
773-273 3   9329 AMERITECH ILLINOIS 358      
773-273 4   9329 AMERITECH ILLINOIS 358      
773-273 5   6529 T-MOBILE USA, INC. 358   2006-07-09   
773-273 6   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-10-25   
773-273 7   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2006-04-10   
773-273 8   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2009-12-07   
773-273 9   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
773-274 A CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      
773-338 A CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      
773-381 A CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      
773-423 A CHCHILLEDS0  8950 ALLEGIANCE TELECOM, INC. - IL 358      
773-423 0   8950 ALLEGIANCE TELECOM, INC. - IL 358      
773-423 1   8950 ALLEGIANCE TELECOM, INC. - IL 358      
773-423 2   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2004-03-29   
773-423 3   8950 ALLEGIANCE TELECOM, INC. - IL 358      
773-423 4   8950 ALLEGIANCE TELECOM, INC. - IL 358      
773-423 5   8950 ALLEGIANCE TELECOM, INC. - IL 358      
773-423 6   259E YMAX COMMUNICATIONS CORP. - IL 358   2008-10-15   
773-423 7   259E YMAX COMMUNICATIONS CORP. - IL 358   2008-10-15   
773-423 8   8950 ALLEGIANCE TELECOM, INC. - IL 358      
773-423 9   8950 ALLEGIANCE TELECOM, INC. - IL 358      
773-465 A CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      
773-508 A CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      
773-596 A CHCGILWUDS0  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-596 1   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-06-12   
773-596 2   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2007-12-09   
773-596 3   6664 SPRINT SPECTRUM L.P. 358   2005-02-18   
773-596 4   6664 SPRINT SPECTRUM L.P. 358   2005-02-18   
773-596 5   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-596 6   6664 SPRINT SPECTRUM L.P. 358   2004-12-12   
773-596 9   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-06-12   
773-743 A CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      
773-761 A CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      
773-764 A CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      
773-807 A CHCGILMFCM6  6529 T-MOBILE USA, INC. 358      
773-856 A CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
773-973 A CHCGILRPDS0  9329 AMERITECH ILLINOIS 358      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.