Local Calling Guide

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Chicago Zone 04-Humboldt, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-697 7 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-10-03   
773-697 8 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-10-03   
773-697 9 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-10-03   
773-698 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-698 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-07-28   
773-698 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-07-28   
773-698 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-09-13   
773-698 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-09-13   
773-698 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-09-13   
773-698 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-09-13   
773-698 6 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-09-07   
773-698 7 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-09-07   
773-698 8 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-09-07   
773-698 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-07-28   
773-705 A RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-11-01   
773-705 0 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2024-11-01   
773-705 1 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-12-07   
773-705 2   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2025-05-17   
773-705 3   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2025-05-17   
773-705 5 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-11-14   
773-705 6   490J BOOST SUBSCRIBERCO L.L.C. 358   2025-08-02   
773-705 7 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-11-14   
773-705 8 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-12-07   
773-705 9 SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-12-07   
773-747 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-747 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-02-21   
773-747 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-02-21   
773-747 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-02-21   
773-747 3 CHCGIL24DS6  224C ONVOY, LLC 358   2009-06-15   
773-747 4 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2009-11-27   
773-747 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-747 6 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-747 7 CHCGIL24DS6  224C ONVOY, LLC 358   2008-11-01   
773-747 8 CHCGIL24DS6  224C ONVOY, LLC 358   2008-11-01   
773-747 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-02-21   
773-770 A CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
773-770 0 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
773-770 1 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
773-770 2 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
773-770 3 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2012-03-12   
773-770 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-12-22   
773-770 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-01-01   
773-770 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-09-10   
773-770 7 CHCGILLWDS0  9329 ILLINOIS BELL TEL CO 358   2002-02-21   
773-770 8 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-09-19   
773-770 9 CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2000-10-12   
773-772 A CHCGILHBDS1  9329 ILLINOIS BELL TEL CO 358      
773-782 A CHCGILHBDS1  9329 ILLINOIS BELL TEL CO 358      
773-782 0 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2015-09-01   
773-782 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2018-07-15   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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