Local Calling Guide

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Chicago Zone 01-Superior, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
312-445 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-05-13   
312-445 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-05-13   
312-445 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-05-14   
312-445 9 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-10-26   
312-469 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-469 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-469 1 CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2001-08-16   
312-469 2 CHCGILSUDS0  9329 ILLINOIS BELL TEL CO 358      
312-469 3 CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2017-01-02   
312-469 4 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-469 5 CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2001-08-16   
312-469 6 CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2001-08-16   
312-469 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2002-08-28   
312-469 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2002-07-01   
312-469 9 CHCGILMF4MD  5562 METROPCS, INC. 358   2004-10-01   
312-475 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-482 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-573 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-587 A CHCGILSUDS0  9329 ILLINOIS BELL TEL CO 358      
312-640 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-642 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-643 A CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
312-649 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-654 A CHCGILSUDS0  9329 ILLINOIS BELL TEL CO 358      
312-664 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-694 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-694 0 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-694 1 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-694 2 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-694 3 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2011-03-16   
312-694 4 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-694 5 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2011-03-16   
312-694 6 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-694 7 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-694 8 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-694 9 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-695 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-703 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-712 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-751 A CHCGILSUDS0  9329 ILLINOIS BELL TEL CO 358      
312-787 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-790 A CHCGILSUDS0  9329 ILLINOIS BELL TEL CO 358      
312-799 A CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-799 0 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2005-04-15   
312-799 1 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2005-01-04   
312-799 2 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-799 3 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-799 4 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-799 5 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358      
312-799 6 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358   2000-07-28   

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

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