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Chicago Zone 01-Calumet, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
312-262 8 ELGNILOTGT5  5562 METROPCS, INC. 358   2009-05-22   
312-262 9 DWGVILMCPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-264 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-265 A CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358      
312-265 0 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-08-12   
312-265 1 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-08-12   
312-265 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-12-09   
312-265 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-12-09   
312-265 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-05-22   
312-265 5 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-05-22   
312-265 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-05-22   
312-265 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-05-22   
312-265 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-05-22   
312-265 9 CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-01-20   
312-268 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-268 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-268 1 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-268 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-268 3 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358   2000-09-28   
312-268 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-268 5 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-268 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-268 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-268 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-268 9 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-270 A ELGNILOTGT5  5562 METROPCS, INC. 358      
312-270 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2017-03-10   
312-270 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2017-03-10   
312-270 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2017-03-10   
312-270 3 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-04-07   
312-270 4 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-04-07   
312-270 5 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-04-07   
312-270 6 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-04-07   
312-270 7 CHCGILDTDMD  156J RCLEC, INC. 358   2017-03-10   
312-270 8 CHCGILWUJMD  073H TELNYX LLC 358   2017-03-17   
312-270 9 ELGNILOTGT5  5562 METROPCS, INC. 358   2017-03-09   
312-272 A LBRDILGOAMD  6630 USA MOBILITY WIRELESS, INC. 358      
312-273 A RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
312-273 0 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-11-12   
312-273 1 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-03-19   
312-273 2 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-07-22   
312-273 3 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-11-15   
312-273 4 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-03-19   
312-273 5 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-03-19   
312-273 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-11-15   
312-273 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-11-15   
312-273 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-11-15   
312-273 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-12-15   
312-275 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-276 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-277 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-278 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-278 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-278 1 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-278 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-278 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-278 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-278 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
312-278 6 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358   2000-09-28   
312-278 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-09-25   
312-278 8 CHCGILSUDS2  9329 ILLINOIS BELL TEL CO 358   2000-09-28   
312-278 9 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-06-16   
312-281 A   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-281 0   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-281 1   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-281 2   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-281 3 CHCGILFRDS4  9329 ILLINOIS BELL TEL CO 358   2000-09-01   
312-281 4   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-281 5   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-281 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-281 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-281 8   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-281 9   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-283 A   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-283 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-283 1   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-283 2 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2008-10-22   
312-283 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-283 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-283 5 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-283 6   732J NUSO, LLC 358   2025-06-02   
312-283 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-283 8   984E BANDWIDTH.COM CLEC, LLC - IL 358      
312-285 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-285 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-12-09   
312-285 1 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2010-10-02   
312-285 2 CHCGILCLXOX  516C AT&T CORP. 358   2005-05-09   
312-285 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-285 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-285 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-285 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-285 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-285 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-285 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-288 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-288 0 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-288 1 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2010-07-08   
312-288 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-288 3 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-288 4 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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