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NPA: 312 [Rate centres in NPA 312] [Dial plan for NPA 312]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
312-753 A Chicago Zone 01-Wabash IL CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 0 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 1 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 2 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 3 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 4 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 5 Chicago Zone 01-Wabash IL   8702 RCN TELECOM SERVICES OF ILLINOIS, INC. - IL 358      
312-753 6 Chicago Zone 01-Wabash IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2005-01-02   
312-753 7 Chicago Zone 01-Wabash IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2005-01-02   
312-753 8 Chicago Zone 01-Wabash IL   6529 T-MOBILE USA, INC. 358   2005-06-19   
312-753 9 Chicago Zone 01-Wabash IL   6529 T-MOBILE USA, INC. 358   2005-06-19   
312-754 A Chicago Zone 01-Calumet IL   138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL 358      
312-754 0 Chicago Zone 01-Calumet IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2013-09-18   
312-754 1 Chicago Zone 01-Calumet IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2013-04-26   
312-754 2 Chicago Zone 01-Calumet IL   138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL 358   2013-04-25   
312-754 3 Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2013-06-24   
312-754 4 Chicago Zone 01-Calumet IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2013-08-03   
312-754 5 Chicago Zone 01-Calumet IL   6664 SPRINT SPECTRUM L.P. 358   2013-04-26   
312-754 6 Chicago Zone 01-Calumet IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2014-01-21   
312-754 7 Chicago Zone 01-Calumet IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358   2014-01-21   
312-754 8 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-754 9 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-755 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS0  9329 AMERITECH ILLINOIS 358      
312-756 A Chicago Zone 01-Canal IL CHCGILCLDS0  9329 AMERITECH ILLINOIS 358      
312-756 0 Chicago Zone 01-Canal IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-04-13   
312-756 1 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-756 2 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-756 3 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-756 4 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-756 5 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-756 6 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-756 7 Chicago Zone 01-Canal IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-04-13   
312-756 8 Chicago Zone 01-Canal IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2018-09-01   
312-756 9 Chicago Zone 01-Canal IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2013-02-08   
312-757 A Chicago Zone 01-Calumet IL   072H GETGO COMMUNICATIONS LLC - IL 358   2013-06-03   
312-757 0 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2013-11-14   
312-757 1 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-06-23   
312-757 2 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-06-23   
312-757 3 Chicago Zone 01-Calumet IL   072H GETGO COMMUNICATIONS LLC - IL 358   2013-06-03   
312-757 4 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-06-23   
312-757 5 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-06-23   
312-757 6 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-06-23   
312-757 7 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2013-08-15   
312-757 8 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2013-08-15   
312-757 9 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2013-11-14   
312-758 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-759 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-760 A Chicago Zone 01-Wabash IL CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
312-761 A Chicago Zone 01-Calumet IL   148J TELENGY LLC 358   2018-07-09   
312-761 0 Chicago Zone 01-Calumet IL   148J TELENGY LLC 358   2018-07-09   

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Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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