Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CHCGILWUX1X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
312-428 2 Chicago Zone 01-Wabash IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2009-10-23   
312-450 6 Chicago Zone 01-Wabash IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2007-09-25   
312-465 A Chicago Zone 01-Calumet IL 8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL 358      
312-465 1 Chicago Zone 01-Calumet IL 8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL 358   2009-05-17   
312-465 7 Chicago Zone 01-Calumet IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2012-06-07   
312-477 5 Chicago Zone 01-Calumet IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2011-02-10   
312-483 1 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2014-10-08   
312-483 2 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2014-10-08   
312-496 6 Chicago Zone 01-Canal IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2007-03-13   
312-496 7 Chicago Zone 01-Canal IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2007-03-13   
312-506 5 Chicago Zone 01-Franklin IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2006-05-20   
312-506 8 Chicago Zone 01-Franklin IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2006-06-04   
312-517 7 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2015-03-27   
312-517 8 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2015-03-27   
312-521 4 Chicago Zone 01-Lakeshore IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2009-04-08   
312-521 8 Chicago Zone 01-Lakeshore IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2013-08-23   
312-523 0 Chicago Zone 01-Calumet IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2005-06-24   
312-523 2 Chicago Zone 01-Calumet IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2005-06-24   
312-537 6 Chicago Zone 01-Canal IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2009-04-08   
312-564 7 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2007-11-16   
312-564 8 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2007-11-16   
312-568 1 Chicago Zone 01-Canal IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2006-11-27   
312-568 7 Chicago Zone 01-Canal IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2006-12-13   
312-572 6 Chicago Zone 01-Monroe IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2009-09-29   
312-572 7 Chicago Zone 01-Monroe IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2007-12-14   
312-572 8 Chicago Zone 01-Monroe IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2009-09-29   
312-585 0 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2013-08-07   
312-585 9 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2013-08-01   
312-588 3 Chicago Zone 01-Wabash IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2007-05-09   
312-588 7 Chicago Zone 01-Wabash IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2007-07-27   
312-588 8 Chicago Zone 01-Wabash IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2007-07-27   
312-589 2 Chicago Zone 01-Canal IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2008-06-02   
312-589 3 Chicago Zone 01-Canal IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2008-06-02   
312-589 4 Chicago Zone 01-Canal IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2008-10-25   
312-589 6 Chicago Zone 01-Canal IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2007-05-09   
312-605 A Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
312-605 3 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2012-09-29   
312-605 4 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2012-09-29   
312-605 5 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2012-09-29   
312-632 5 Chicago Zone 01-Canal IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2016-12-27   
312-632 6 Chicago Zone 01-Canal IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2016-12-27   
312-646 6 Chicago Zone 01-Calumet IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2008-02-05   
312-646 7 Chicago Zone 01-Calumet IL 4717 PAETEC COMMUNICATIONS, INC. - IL 358   2008-02-05   
312-668 4 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2019-07-20   
312-668 5 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2019-07-20   
312-722 A Chicago Zone 01-Calumet IL 8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL 358      
312-722 5 Chicago Zone 01-Calumet IL 8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL 358   2015-07-16   
312-722 6 Chicago Zone 01-Calumet IL 8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL 358   2015-07-16   
312-741 A Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
312-741 2 Chicago Zone 01-Calumet IL 7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2017-12-22   

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

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