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Chicago Zone 01-Calumet, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
312-783 5 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-09-29   
312-783 6 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-09-29   
312-783 7 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-09-29   
312-783 8 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-09-29   
312-783 9 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-09-29   
312-784 A CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
312-784 0 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2007-09-02   
312-784 1 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2007-09-02   
312-784 2 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2007-09-02   
312-784 3 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2007-09-02   
312-784 4 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2007-09-02   
312-784 5 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2007-09-02   
312-784 6 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2007-09-02   
312-784 7 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2007-09-02   
312-784 8 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2007-09-02   
312-784 9 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2007-09-02   
312-785 A BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-785 0 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-03   
312-785 1 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-03   
312-785 2 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-03   
312-785 3 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-03   
312-785 4 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-03   
312-785 5 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-03   
312-785 6 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-03   
312-785 7 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-03   
312-785 8 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-03   
312-785 9 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-10-03   
312-791 A CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-791 0 CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-791 1 CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-791 2 CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-791 3 CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-791 4 CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-791 5 CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-791 6 CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-791 7 CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-791 8 CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-791 9   145J TERRA NOVA TELECOM INC. 358   2025-04-09   
312-792 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-792 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-01-13   
312-792 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-01-13   
312-792 2   197D VONAGE AMERICA LLC 358   2025-10-21   
312-792 3 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2015-01-11   
312-792 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-01-13   
312-792 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-01-13   
312-792 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-01-13   
312-792 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-01-13   
312-792 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-01-13   
312-792 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-01-13   
312-796 A CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
312-796 0 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2016-09-16   
312-796 1 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2016-10-11   
312-796 2 CHCGILCPDS9  138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL 358   2016-09-17   
312-796 3 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2016-09-17   
312-796 4 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2016-10-11   
312-796 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-09-17   
312-796 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-09-17   
312-796 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-09-17   
312-796 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-09-17   
312-796 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-09-17   
312-800 A CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
312-800 0 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-01-11   
312-800 1 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2013-01-27   
312-800 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2013-01-27   
312-800 3 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2013-02-08   
312-800 4 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2013-01-15   
312-800 5 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2013-01-15   
312-800 6 CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2013-01-30   
312-800 7 CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2013-01-30   
312-800 8 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-01-11   
312-800 9 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-01-30   
312-801 A CHCGILIDX9X  551G NUSO, LLC 358      
312-801 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2013-11-14   
312-801 1 CHCGILIDX9X  551G NUSO, LLC 358   2013-06-28   
312-801 2 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-07-01   
312-801 3 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-07-01   
312-801 4 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-07-01   
312-801 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-07-01   
312-801 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-07-01   
312-801 7 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2013-08-12   
312-801 8 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2013-09-21   
312-801 9 CHCGIL24DS6  224C ONVOY, LLC 358   2013-10-02   
312-808 A CHCGILCADS0  9329 ILLINOIS BELL TEL CO 358      
312-809 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-809 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-809 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-809 2 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-809 3 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2013-12-09   
312-809 4 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2013-12-09   
312-809 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-809 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-809 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-809 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-809 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
312-815 A CHCGIL249MD  996H AIRESPRING, INC. 358      
312-815 0 CHCGIL249MD  996H AIRESPRING, INC. 358   2018-06-21   
312-815 1 CHCGIL24DS6  224C ONVOY, LLC 358   2018-11-06   
312-815 2 CHCGIL24DS6  224C ONVOY, LLC 358   2018-11-06   
312-815 3 CHCGIL24DS6  224C ONVOY, LLC 358   2018-11-06   
312-815 4 CHCGIL24DS6  224C ONVOY, LLC 358   2018-11-06   

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Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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