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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
312-374 3 Chicago Zone 01-Lakeshore IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2012-12-31   
312-374 4 Chicago Zone 01-Lakeshore IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2014-01-11   
312-374 5 Chicago Zone 01-Lakeshore IL   5447 ACCESS ONE, INC. - IL 358   2014-01-12   
312-374 6 Chicago Zone 01-Lakeshore IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2013-12-23   
312-374 7 Chicago Zone 01-Lakeshore IL   9329 AMERITECH ILLINOIS 358      
312-374 8 Chicago Zone 01-Lakeshore IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2015-01-08   
312-374 9 Chicago Zone 01-Lakeshore IL   9329 AMERITECH ILLINOIS 358      
312-375 A Chicago Zone 01-Wabash IL CHCGILMFCM6  6529 T-MOBILE USA, INC. 358      
312-376 A Chicago Zone 01-Calumet IL CHCGILWBCA0  2491 CBEYOND COMMUNICATIONS, LLC - IL 358      
312-376 0 Chicago Zone 01-Calumet IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2004-08-01   
312-376 1 Chicago Zone 01-Calumet IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2004-08-01   
312-376 2 Chicago Zone 01-Calumet IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2004-08-01   
312-376 3 Chicago Zone 01-Calumet IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2004-08-01   
312-376 4 Chicago Zone 01-Calumet IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2004-08-01   
312-376 5 Chicago Zone 01-Calumet IL   6664 SPRINT SPECTRUM L.P. 358   2004-09-06   
312-376 6 Chicago Zone 01-Calumet IL   6664 SPRINT SPECTRUM L.P. 358   2004-09-06   
312-376 7 Chicago Zone 01-Calumet IL   6664 SPRINT SPECTRUM L.P. 358   2004-09-06   
312-376 8 Chicago Zone 01-Calumet IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-09-02   
312-376 9 Chicago Zone 01-Calumet IL   6664 SPRINT SPECTRUM L.P. 358   2004-09-06   
312-377 A Chicago Zone 01-Franklin IL WDDLILCBDS0  7056 XO ILLINOIS, INC. 358      
312-378 A Chicago Zone 01-Calumet IL BURGILAJCM1  6630 USA MOBILITY WIRELESS, INC. 358      
312-379 A Chicago Zone 01-Illinois Dearborn IL CHCGILWUDS0  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
312-379 0 Chicago Zone 01-Illinois Dearborn IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
312-379 1 Chicago Zone 01-Illinois Dearborn IL   9329 AMERITECH ILLINOIS 358   2002-06-03   
312-379 2 Chicago Zone 01-Illinois Dearborn IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-379 3 Chicago Zone 01-Illinois Dearborn IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2005-02-24   
312-379 4 Chicago Zone 01-Illinois Dearborn IL   9329 AMERITECH ILLINOIS 358   2000-05-05   
312-379 5 Chicago Zone 01-Illinois Dearborn IL   7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
312-379 6 Chicago Zone 01-Illinois Dearborn IL   9329 AMERITECH ILLINOIS 358   2000-05-05   
312-379 7 Chicago Zone 01-Illinois Dearborn IL   9329 AMERITECH ILLINOIS 358   2000-05-05   
312-379 8 Chicago Zone 01-Illinois Dearborn IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-12-09   
312-379 9 Chicago Zone 01-Illinois Dearborn IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-02-25   
312-380 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-380 0 Chicago Zone 01-Canal IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-08-09   
312-380 1 Chicago Zone 01-Canal IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-380 2 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-380 3 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-380 4 Chicago Zone 01-Canal IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358   2006-07-15   
312-380 5 Chicago Zone 01-Canal IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-12-09   
312-380 6 Chicago Zone 01-Canal IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-12-09   
312-380 7 Chicago Zone 01-Canal IL   5447 ACCESS ONE, INC. - IL 358   2018-03-16   
312-380 8 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-380 9 Chicago Zone 01-Canal IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-381 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-382 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-383 A Chicago Zone 01-Calumet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-383 0 Chicago Zone 01-Calumet IL   5562 METRO PCS, INC. 358   2016-03-09   
312-383 1 Chicago Zone 01-Calumet IL   5562 METRO PCS, INC. 358   2016-03-09   
312-383 2 Chicago Zone 01-Calumet IL   5562 METRO PCS, INC. 358   2016-03-09   
312-383 3 Chicago Zone 01-Calumet IL   5562 METRO PCS, INC. 358   2016-03-09   

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

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