Local Calling Guide

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Chicago Zone 09-South Chicago, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-514 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2023-11-30   
773-514 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2023-11-30   
773-530 A CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-530 0   318J COMCAST IP PHONE, LLC 358   2005-03-04   
773-530 1   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-04-22   
773-530 2   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-04-22   
773-530 3   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-04-22   
773-530 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-530 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-530 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-530 7   318J COMCAST IP PHONE, LLC 358   2008-02-02   
773-530 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-530 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-721 A CHCGILSCDS0  9329 ILLINOIS BELL TEL CO 358      
773-731 A CHCGILSCDS0  9329 ILLINOIS BELL TEL CO 358      
773-734 A CHCGILSCDS0  9329 ILLINOIS BELL TEL CO 358      
773-768 A CHCGILSCDS0  9329 ILLINOIS BELL TEL CO 358      
773-773 A CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358      
773-773 0   624H ONVOY SPECTRUM, LLC 358   2023-07-21   
773-773 1   624H ONVOY SPECTRUM, LLC 358   2023-07-21   
773-773 2   624H ONVOY SPECTRUM, LLC 358   2023-07-21   
773-773 3   624H ONVOY SPECTRUM, LLC 358   2023-07-21   
773-773 4   624H ONVOY SPECTRUM, LLC 358   2023-07-21   
773-773 5   624H ONVOY SPECTRUM, LLC 358   2023-07-21   
773-773 6   624H ONVOY SPECTRUM, LLC 358   2023-07-21   
773-773 7   624H ONVOY SPECTRUM, LLC 358   2023-07-21   
773-773 8   624H ONVOY SPECTRUM, LLC 358   2023-07-21   
773-773 9   624H ONVOY SPECTRUM, LLC 358   2023-07-21   
773-902 A   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-902 0   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-04-11   
773-902 1   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-902 2   318J COMCAST IP PHONE, LLC 358   2007-04-27   
773-902 3   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-902 4   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-902 5   624H ONVOY SPECTRUM, LLC 358   2021-11-06   
773-902 6   624H ONVOY SPECTRUM, LLC 358   2021-11-06   
773-902 7   318J COMCAST IP PHONE, LLC 358   2007-04-27   
773-902 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-902 9   515J IP HORIZON LLC 358   2021-06-13   
773-913 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 0   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 1   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 2   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 3   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 4   624H ONVOY SPECTRUM, LLC 358   2021-11-06   
773-913 5   624H ONVOY SPECTRUM, LLC 358   2021-11-06   
773-913 6   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 7   624H ONVOY SPECTRUM, LLC 358   2021-11-06   
773-913 8   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-913 9   624H ONVOY SPECTRUM, LLC 358   2021-11-06   
773-933 A CHCGILSCDS0  9329 ILLINOIS BELL TEL CO 358      
773-967 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-967 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-967 1   9329 ILLINOIS BELL TEL CO 358   2000-08-11   
773-967 2   9329 ILLINOIS BELL TEL CO 358   2000-08-11   
773-967 3   9329 ILLINOIS BELL TEL CO 358   2000-08-11   
773-967 4   9329 ILLINOIS BELL TEL CO 358   2000-07-07   
773-967 5   9329 ILLINOIS BELL TEL CO 358   2000-07-07   
773-967 6   9329 ILLINOIS BELL TEL CO 358   2000-09-29   
773-967 7   829J PAETEC ITEL, LLC 358   2003-09-30   
773-967 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
773-967 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-978 A CHCGILSCDS0  9329 ILLINOIS BELL TEL CO 358      
872-221 A CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
872-221 0   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-06   
872-221 1   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-06   
872-221 2   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-06   
872-221 3   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-06   
872-221 4   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-10-03   
872-221 5   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-01-22   
872-221 6   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-12-24   
872-221 7   984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-03-22   
872-221 8   984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-04-26   
872-221 9   984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-06-09   
872-228 A BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
872-228 0   318J COMCAST IP PHONE, LLC 358   2014-12-19   
872-228 1   984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-01-19   
872-228 2   224C ONVOY, LLC 358   2014-09-27   
872-228 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2010-03-01   
872-228 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2010-03-01   
872-228 5   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
872-228 6   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
872-228 7   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-12   
872-228 8   224C ONVOY, LLC 358   2010-05-20   
872-228 9   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-07-02   
872-262 A CHCGILCLX4Y  7421 AT&T - LOCAL 358      
872-262 0   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-08-23   
872-262 1   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-08-23   
872-262 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2023-06-23   
872-262 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-10-18   
872-262 4   516J TON80 COMMUNICATIONS, LLC 358   2021-06-01   
872-262 5   624H ONVOY SPECTRUM, LLC 358   2021-06-28   
872-262 6   984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-06   
872-262 7   984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-06   
872-262 8   984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-06   
872-262 9   7421 AT&T - LOCAL 358   2020-06-08   
872-286 A CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
872-286 0   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-09-27   
872-286 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2022-01-10   
872-286 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2022-01-10   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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