Local Calling Guide

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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
312-825 A Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
312-825 0 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2016-05-28   
312-825 1 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2016-05-28   
312-825 2 Chicago Zone 01-Calumet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-05-16   
312-825 3 Chicago Zone 01-Calumet IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-04-16   
312-825 4 Chicago Zone 01-Calumet IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-04-16   
312-825 5 Chicago Zone 01-Calumet IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-04-16   
312-825 6 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-05-14   
312-825 7 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-05-14   
312-825 8 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-05-14   
312-825 9 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-05-14   
312-826 A Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
312-826 0 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-08-14   
312-826 1 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-08-14   
312-826 2 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-08-14   
312-826 3 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-08-14   
312-826 4 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-08-14   
312-826 5 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-08-14   
312-826 6 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-08-14   
312-826 7 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-08-14   
312-826 8 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-08-14   
312-826 9 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2016-08-14   
312-827 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-828 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS0  9329 AMERITECH ILLINOIS 358      
312-829 A Chicago Zone 01-Monroe IL CHCGILMODS0  9329 AMERITECH ILLINOIS 358      
312-830 A Chicago Zone 01-Wabash IL BURGILAJCM1  6630 USA MOBILITY WIRELESS, INC. 358      
312-831 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-832 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS0  9329 AMERITECH ILLINOIS 358      
312-833 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-834 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 AMERITECH ILLINOIS 358      
312-834 0 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-834 1 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2010-07-01   
312-834 2 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2010-07-01   
312-834 3 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-834 4 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-834 5 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2011-02-24   
312-834 6 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2011-02-24   
312-834 7 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-834 8 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2010-07-01   
312-834 9 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2010-07-01   
312-835 A Chicago Zone 01-Wabash IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-836 A Chicago Zone 01-Illinois Dearborn IL CHCGILIDDS0  9329 AMERITECH ILLINOIS 358      
312-837 A Chicago Zone 01-Calumet IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358      
312-837 0 Chicago Zone 01-Calumet IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2015-10-19   
312-837 1 Chicago Zone 01-Calumet IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2015-11-04   
312-837 2 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2016-06-17   
312-837 3 Chicago Zone 01-Calumet IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2015-10-18   
312-837 4 Chicago Zone 01-Calumet IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2015-11-04   
312-837 5 Chicago Zone 01-Calumet IL   5562 METRO PCS, INC. 358   2015-10-26   
312-837 6 Chicago Zone 01-Calumet IL   5562 METRO PCS, INC. 358   2015-10-26   

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

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