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Chicago Zone 05-Austin, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-797 9 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-830 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-830 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-10-25   
773-830 1 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-830 2 CHCGIL24DS6  224C ONVOY, LLC 358   2019-07-07   
773-830 3 CHCGIL24DS6  224C ONVOY, LLC 358   2017-12-09   
773-830 4 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-02-28   
773-830 5 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-09-06   
773-830 6 CHCGIL24DS6  224C ONVOY, LLC 358   2019-07-07   
773-830 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-10-25   
773-830 8 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-830 9 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-854 A CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 0 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 1 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 2 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 3 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 4 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 5 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 6 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 7 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-854 8 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-854 9 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-12-12   
773-921 A CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-921 0 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-921 1 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-921 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-02-11   
773-921 3 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-921 4 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-921 5 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2019-10-22   
773-921 6 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-921 7 BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2019-10-22   
773-921 8 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-921 9 CHCGILAURP0  9329 ILLINOIS BELL TEL CO 358      
773-922 A   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-922 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-08-09   
773-922 1   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-922 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-02-11   
773-922 3 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-922 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-08-06   
773-922 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-02-11   
773-922 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2009-07-01   
773-922 7 CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-01-20   
773-922 8   984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-922 9 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-945 A CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
773-945 0 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-09-01   
773-945 1 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-09-01   
773-945 2 CHCGIL24DS6  224C ONVOY, LLC 358   2008-09-01   
773-945 3 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2008-09-01   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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