Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Chicago Zone 06-Kedzie, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-801 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-06-19   
773-801 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-01-04   
773-822 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-822 0 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2000-02-08   
773-822 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-11-14   
773-822 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-11-14   
773-822 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-12-09   
773-822 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-12-17   
773-822 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-822 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-01-03   
773-822 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-05-18   
773-822 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-06-24   
773-822 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-05-30   
773-823 A OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-823 0 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-07-20   
773-823 1 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-01-27   
773-823 2   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2025-06-23   
773-823 3 OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-823 4 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2018-06-10   
773-823 5 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-09-17   
773-823 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-06-02   
773-823 7 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-01-27   
773-823 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-10-11   
773-823 9 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-01-27   
773-826 A CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-827 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-827 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-10-08   
773-827 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-09-26   
773-827 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-10-13   
773-827 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-10-08   
773-827 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-11-28   
773-827 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-10-08   
773-827 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-01-17   
773-827 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-01-17   
773-827 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-06-10   
773-827 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-12-19   
773-893 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-893 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-17   
773-893 1 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-893 2 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-893 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-10-11   
773-893 4 CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2007-09-22   
773-893 5 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2008-07-24   
773-893 6 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-893 7 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-893 8 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-893 9 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-903 A   224C ONVOY, LLC 358   2025-10-05   
773-903 0   224C ONVOY, LLC 358   2025-10-05   
773-903 1   224C ONVOY, LLC 358   2025-10-05   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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