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 11-O'Hare, IL

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-453 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
773-453 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-05-06   
773-453 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-12-13   
773-453 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-12-13   
773-453 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-12-13   
773-455 A EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-455 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-05-16   
773-455 1 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2016-12-09   
773-455 2 CHCGILDTDS3  5447 ACCESS ONE, INC. - IL 358   2016-10-15   
773-455 3 OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-03-22   
773-455 4 OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-04-28   
773-455 5 OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-05-22   
773-455 6 OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-06-02   
773-455 7 OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-06-13   
773-455 8 OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2008-06-13   
773-455 9 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-462 A SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358   2024-02-17   
773-462 0 SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358      
773-462 1 SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358      
773-462 2 SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358      
773-462 3 SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358      
773-462 4 OKBRILDODS0  259E YMAX COMMUNICATIONS CORP. - IL 358   2007-07-28   
773-462 5 SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358      
773-462 6 SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358      
773-462 7 SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358      
773-462 8 SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358      
773-462 9 SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358      
773-482 A CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-482 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-09-15   
773-482 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-09-15   
773-482 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2000-09-28   
773-482 3 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-09-15   
773-482 4 CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2006-11-26   
773-482 5 CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-482 6 CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2004-12-27   
773-482 7 CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2004-12-24   
773-482 8 CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2004-12-27   
773-482 9 CHCGILWUX1X  4717 PAETEC COMMUNICATIONS, INC. - IL 358   2004-12-27   
773-570 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-570 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
773-570 1 CHCGIL24DS6  224C ONVOY, LLC 358   2014-09-29   
773-570 2 CHCGIL24DS6  224C ONVOY, LLC 358   2014-09-29   
773-570 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-14   
773-570 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-570 5 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-14   
773-570 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-14   
773-570 7 CHCGIL24DS6  224C ONVOY, LLC 358   2012-10-01   
773-570 8 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2015-04-16   
773-570 9 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2015-12-03   
773-601 A SCPKILSPRS3  9329 ILLINOIS BELL TEL CO 358   2024-02-17   

<< 1 2 3 4 5 >>

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.