Local Calling Guide

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Chicago Zone 01-Calumet, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
312-486 0 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-06-17   
312-486 1 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-06-17   
312-486 2 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-06-17   
312-486 3 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-06-17   
312-486 4 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-06-17   
312-486 5 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-06-17   
312-486 6 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-06-17   
312-486 7 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-06-17   
312-486 8 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-06-17   
312-486 9 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-06-17   
312-487 A ELGNILOTGT5  5562 METROPCS, INC. 358      
312-487 0 ELGNILOTGT5  5562 METROPCS, INC. 358   2014-12-18   
312-487 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-12-19   
312-487 2 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-12-19   
312-487 3 CHCGIL24DS6  224C ONVOY, LLC 358   2014-12-30   
312-487 4 CHCGIL24DS6  224C ONVOY, LLC 358   2014-12-30   
312-487 5 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2014-12-19   
312-487 6 ELGNILOTGT5  5562 METROPCS, INC. 358   2014-12-18   
312-487 7 ELGNILOTGT5  5562 METROPCS, INC. 358   2014-12-18   
312-487 8 ELGNILOTGT5  5562 METROPCS, INC. 358   2014-12-18   
312-487 9 ELGNILOTGT5  5562 METROPCS, INC. 358   2014-12-18   
312-488 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-488 0 CHCGIL24DS6  224C ONVOY, LLC 358   2019-02-18   
312-488 1 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-10-25   
312-488 2 DWGVILMCPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2009-10-31   
312-488 3 DWGVILMCPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2009-10-31   
312-488 4 DWGVILMCPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2009-10-31   
312-488 5 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2010-02-14   
312-488 6 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2010-02-14   
312-488 7 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2010-02-14   
312-488 8 DWGVILMCPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2010-02-14   
312-488 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-498 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-498 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-498 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-498 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-498 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-498 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-498 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-498 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-498 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-498 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-498 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-500 A CHCGIL24DS6  224C ONVOY, LLC 358      
312-500 0 CHCGIL24DS6  224C ONVOY, LLC 358   2018-07-21   
312-500 1 CHCGIL24DS6  224C ONVOY, LLC 358   2018-07-21   
312-500 2 CHCGIL24DS6  224C ONVOY, LLC 358   2018-07-21   
312-500 3 CHCGIL24DS6  224C ONVOY, LLC 358   2018-07-21   
312-500 4 CHCGIL24DS6  224C ONVOY, LLC 358   2018-07-21   
312-500 5 CHCGIL24DS6  224C ONVOY, LLC 358   2018-07-21   
312-500 6 CHCGIL24DS6  224C ONVOY, LLC 358   2018-07-21   
312-500 7 CHCGIL24DS6  224C ONVOY, LLC 358   2018-07-21   
312-500 8 CHCGIL24DS6  224C ONVOY, LLC 358   2018-07-21   
312-500 9 CHCGIL24DS6  224C ONVOY, LLC 358   2018-07-21   
312-503 A CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-503 0 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-503 1 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-503 2 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-503 3 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-503 4 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-503 5 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-503 6 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-503 7 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-503 8 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-503 9 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-506 A CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
312-506 0 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
312-506 1 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
312-506 2 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
312-506 3 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
312-506 4 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-04-03   
312-506 5 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2006-05-20   
312-506 6 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
312-506 7 ELGNILOTGT5  5562 METROPCS, INC. 358   2005-01-15   
312-506 8 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2006-06-04   
312-506 9 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
312-508 A CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
312-508 0 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-06-06   
312-508 1 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-06-06   
312-508 2 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-06-22   
312-508 3 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2012-05-10   
312-508 4 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2012-05-10   
312-508 5 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-06-17   
312-508 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-06-17   
312-508 7   400G CLEAR RATE COMMUNICATIONS, INC. - IL 358   2012-06-10   
312-508 8 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-06-06   
312-508 9 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-06-06   
312-509 A CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
312-509 0 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-05-05   
312-509 1 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-05-05   
312-509 2 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-05-05   
312-509 3 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-05-05   
312-509 4 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2012-04-27   
312-509 5 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-05-05   
312-509 6 CHCGIL24DS6  224C ONVOY, LLC 358   2012-05-29   
312-509 7 CHCGIL24DS6  224C ONVOY, LLC 358   2012-05-29   
312-509 8 CHCGIL24DS6  224C ONVOY, LLC 358   2012-05-29   
312-509 9 CHCGIL24DS6  224C ONVOY, LLC 358   2012-05-29   
312-517 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-517 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2016-07-16   

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

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