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Chicago Zone 01-Calumet, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
312-340 0 CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-03-19   
312-340 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-11-22   
312-340 2 CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2011-11-23   
312-340 3 CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2011-11-23   
312-340 4 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-12-17   
312-340 5 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2011-11-22   
312-340 6 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2011-11-23   
312-340 7 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-12-17   
312-340 8 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-12-17   
312-340 9 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-12-17   
312-348 A CHCGIL24DS6  224C ONVOY, LLC 358      
312-348 0 ELGNILOTGT5  5562 METROPCS, INC. 358   2009-05-22   
312-348 1 CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2009-02-21   
312-348 2 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2008-06-17   
312-348 3 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2008-06-17   
312-348 4 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2008-06-17   
312-348 5 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2008-06-17   
312-348 6 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2008-06-17   
312-348 7 EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2008-06-17   
312-348 8 CHCGIL24DS6  224C ONVOY, LLC 358   2004-01-05   
312-348 9 ELGNILOTGT5  5562 METROPCS, INC. 358   2009-05-22   
312-358 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-358 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-09-18   
312-358 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2015-09-18   
312-366 A BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
312-366 0 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-05-16   
312-366 1 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-05-16   
312-366 2 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2016-04-12   
312-366 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2016-04-16   
312-366 4 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-05-16   
312-366 5 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-05-16   
312-366 6 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-04-03   
312-366 7 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-04-03   
312-366 8 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-04-03   
312-366 9 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-04-03   
312-371 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-371 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-371 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-371 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-371 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-371 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-371 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-371 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-371 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-371 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-371 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
312-373 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-373 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-04   
312-373 1 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-373 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-373 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-373 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-373 5 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-373 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-373 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-373 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-373 9 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
312-376 A CHCGIL24DS6  224C ONVOY, LLC 358      
312-376 0 CHCGIL24DS6  224C ONVOY, LLC 358   2004-08-01   
312-376 1 CHCGIL24DS6  224C ONVOY, LLC 358   2004-08-01   
312-376 2 CHCGIL24DS6  224C ONVOY, LLC 358   2004-08-01   
312-376 3 CHCGIL24DS6  224C ONVOY, LLC 358   2004-08-01   
312-376 4 CHCGIL24DS6  224C ONVOY, LLC 358   2004-08-01   
312-376 5 ELGNILOTGT5  5562 METROPCS, INC. 358   2004-09-06   
312-376 6 ELGNILOTGT5  5562 METROPCS, INC. 358   2004-09-06   
312-376 7 ELGNILOTGT5  5562 METROPCS, INC. 358   2004-09-06   
312-376 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-09-02   
312-376 9 ELGNILOTGT5  5562 METROPCS, INC. 358   2004-09-06   
312-377 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-378 A LBRDILGOAMD  6630 USA MOBILITY WIRELESS, INC. 358      
312-379 A CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
312-379 0 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
312-379 1 CHCGILIDDS2  9329 ILLINOIS BELL TEL CO 358   2002-06-03   
312-379 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
312-379 3 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
312-379 4 CHCGILIDDS0  9329 ILLINOIS BELL TEL CO 358   2000-05-05   
312-379 5 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
312-379 6 CHCGILIDDS0  9329 ILLINOIS BELL TEL CO 358   2000-05-05   
312-379 7 CHCGILIDDS0  9329 ILLINOIS BELL TEL CO 358   2000-05-05   
312-379 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-12-09   
312-379 9 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-02-25   
312-383 A CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
312-383 0 ELGNILOTGT5  5562 METROPCS, INC. 358   2016-03-09   
312-383 1 ELGNILOTGT5  5562 METROPCS, INC. 358   2016-03-09   
312-383 2 ELGNILOTGT5  5562 METROPCS, INC. 358   2016-03-09   
312-383 3 ELGNILOTGT5  5562 METROPCS, INC. 358   2016-03-09   
312-383 4 ELGNILOTGT5  5562 METROPCS, INC. 358   2016-03-09   
312-383 5 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2016-03-02   
312-383 6 CHCGILCGDS1  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2016-03-02   
312-383 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2016-04-09   
312-383 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2016-04-09   
312-383 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2016-04-09   

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

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