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 06-Kedzie, IL

1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-223 A LBRDILGOAMD  6630 SPOK, INC. 358      
773-234 A CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-234 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-12-04   
773-234 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-02-25   
773-234 2 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-02-25   
773-234 3 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-234 4 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-234 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-234 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-234 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-234 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-234 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
773-265 A CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-280 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-280 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-10-09   
773-280 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-10-09   
773-280 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-10-09   
773-280 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-10-09   
773-280 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-10-09   
773-280 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-280 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-10-08   
773-280 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-280 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-280 9 CHCGIL24DS6  224C ONVOY, LLC 358   2010-09-01   
773-299 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-299 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-07-01   
773-299 1 CHCGIL24DS6  224C ONVOY, LLC 358   2004-09-16   
773-299 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-09-25   
773-299 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-12-03   
773-299 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-12-24   
773-299 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-03-18   
773-299 6 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-299 7 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2001-05-01   
773-299 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
773-299 9 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-321 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-321 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-07-18   
773-321 1 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2004-08-07   
773-321 2 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2004-08-07   
773-321 3 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2004-08-07   
773-321 4 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2004-08-07   
773-321 5 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2004-08-07   
773-321 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2000-01-26   
773-321 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2000-01-26   
773-321 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-02-15   
773-321 9 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-11-13   
773-346 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-346 0 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-346 1 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-346 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      

1 2 3 4 5 6 7 8 9 10 11 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.