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
312-554 5 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-554 6 Chicago Zone 01-Wabash IL   7056 XO ILLINOIS, INC. 358   2011-01-05   
312-554 7 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-554 8 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-554 9 Chicago Zone 01-Wabash IL   6664 SPRINT SPECTRUM L.P. 358   2011-01-05   
312-556 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-557 A Chicago Zone 01-Franklin IL CHCGILFRDS0  9329 AMERITECH ILLINOIS 358      
312-558 A Chicago Zone 01-Franklin IL CHCGILFRDS3  9329 AMERITECH ILLINOIS 358      
312-559 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-560 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-561 A Chicago Zone 01-Calumet IL ELGNIL32CM2  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2012-08-17   
312-561 0 Chicago Zone 01-Calumet IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2012-08-17   
312-561 1 Chicago Zone 01-Calumet IL   6664 SPRINT SPECTRUM L.P. 358   2013-05-02   
312-561 2 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2014-01-21   
312-561 3 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2013-05-02   
312-561 4 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2013-05-02   
312-561 5 Chicago Zone 01-Calumet IL   4604 FIRST COMMUNICATIONS LLC - IL 358   2013-05-11   
312-561 6 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-561 7 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2012-08-30   
312-561 8 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358   2012-08-30   
312-561 9 Chicago Zone 01-Calumet IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2012-09-11   
312-562 A Chicago Zone 01-Calumet IL BURGILAJCM1  6630 USA MOBILITY WIRELESS, INC. 358      
312-563 A Chicago Zone 01-Monroe IL CHCGILMODS1  9329 AMERITECH ILLINOIS 358      
312-564 A Chicago Zone 01-Calumet IL CHCGILAEDS3  5917 FIRST COMMUNICATIONS, LLC 358   2007-01-04   
312-564 0 Chicago Zone 01-Calumet IL   5917 FIRST COMMUNICATIONS, LLC 358   2007-01-04   
312-564 1 Chicago Zone 01-Calumet IL   5917 FIRST COMMUNICATIONS, LLC 358   2007-01-04   
312-564 2 Chicago Zone 01-Calumet IL   5917 FIRST COMMUNICATIONS, LLC 358   2007-01-04   
312-564 3 Chicago Zone 01-Calumet IL   5917 FIRST COMMUNICATIONS, LLC 358   2007-01-04   
312-564 4 Chicago Zone 01-Calumet IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2007-07-03   
312-564 5 Chicago Zone 01-Calumet IL   2491 CBEYOND COMMUNICATIONS, LLC - IL 358   2007-07-19   
312-564 6 Chicago Zone 01-Calumet IL   5917 FIRST COMMUNICATIONS, LLC 358   2007-01-04   
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   
312-564 9 Chicago Zone 01-Calumet IL   5917 FIRST COMMUNICATIONS, LLC 358   2007-01-04   
312-565 A Chicago Zone 01-Lakeshore IL CHCGILLRDS0  9329 AMERITECH ILLINOIS 358      
312-566 A Chicago Zone 01-Wabash IL CHCGILWBDS2  9329 AMERITECH ILLINOIS 358      
312-566 0 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-566 1 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
312-566 2 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-566 3 Chicago Zone 01-Wabash IL   6529 T-MOBILE USA, INC. 358   2014-04-13   
312-566 4 Chicago Zone 01-Wabash IL   5447 ACCESS ONE, INC. - IL 358   2014-05-10   
312-566 5 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-566 6 Chicago Zone 01-Wabash IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-27   
312-566 7 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-566 8 Chicago Zone 01-Wabash IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-566 9 Chicago Zone 01-Wabash IL   9329 AMERITECH ILLINOIS 358      
312-567 A Chicago Zone 01-Calumet IL CHCGILCADS0  9329 AMERITECH ILLINOIS 358      
312-568 A Chicago Zone 01-Canal IL CHCGILCLDS3  9329 AMERITECH ILLINOIS 358      
312-568 0 Chicago Zone 01-Canal IL   9329 AMERITECH ILLINOIS 358      
312-568 1 Chicago Zone 01-Canal IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2006-11-27   

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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