Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Chicago Zone 02-Edgewater, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-907 A CHCGILEDDS0  9329 ILLINOIS BELL TEL CO 358      
773-942 A   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-942 0 CHCGIL24DS6  224C ONVOY, LLC 358   2024-09-09   
773-942 1   6529 T-MOBILE USA, INC. 358   2025-06-03   
773-942 2   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-942 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-04-09   
773-942 4 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-942 5   6529 T-MOBILE USA, INC. 358   2025-06-03   
773-942 6 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-04-12   
773-942 7 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-04-12   
773-942 8   224C ONVOY, LLC 358   2025-04-06   
773-942 9 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-943 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-943 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-10-18   
773-943 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-10-18   
773-943 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-10-18   
773-943 3 CHCGIL24DS6  224C ONVOY, LLC 358   2010-11-02   
773-943 4 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-07-10   
773-943 5 DWGVILMCPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2010-11-02   
773-943 6 DWGVILMCPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2010-11-02   
773-943 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2019-08-16   
773-943 8 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2024-07-24   
773-943 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-10-18   
773-944 A CHCGILACGT0  8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358      
773-977 A CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
773-977 0 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
773-977 1 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
773-977 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2021-03-19   
773-977 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
773-977 4 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-07-10   
773-977 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
773-977 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-07-31   
773-977 7 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-01-01   
773-977 8 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-01-01   
773-977 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-04-26   
773-989 A CHCGILEDDS0  9329 ILLINOIS BELL TEL CO 358      
773-997 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-997 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-06-24   
773-997 1 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2020-11-06   
773-997 2 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-06-28   
773-997 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-08-30   
773-997 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-08-30   
773-997 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
773-997 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
773-997 7   145J TERRA NOVA TELECOM INC. 358   2021-01-15   
773-997 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-09-17   
773-997 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-06-24   
872-203 A CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
872-203 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-04-12   
872-203 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2012-04-23   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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