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
773-565 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2006-01-20   
773-565 9 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-12   
773-584 A EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-584 0 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-584 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-07-17   
773-584 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-07-17   
773-584 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-09-17   
773-584 4 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-11-12   
773-584 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-06-01   
773-584 6 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2003-07-31   
773-584 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2009-06-01   
773-584 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-03-24   
773-584 9 EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
773-635 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2024-12-27   
773-635 0   224C ONVOY, LLC 358   2025-04-06   
773-635 1 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2014-09-15   
773-635 2 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-635 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-635 4 CHCGILWUXMD  490J BOOST SUBSCRIBERCO L.L.C. 358   2024-08-22   
773-635 5 CHCGILWUKMD  939H COMMIO, LLC 358   2021-08-29   
773-635 6 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-05-22   
773-635 7 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-05-22   
773-635 8 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-05-22   
773-635 9 CHCGILWUKMD  939H COMMIO, LLC 358   2021-08-29   
773-638 A CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-638 0 CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-638 1 CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-638 2 CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-638 3 CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-638 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-10-11   
773-638 5 CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-638 6 CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-638 7 CHCGILWUTMD  516J TON80 COMMUNICATIONS, LLC 358   2021-06-01   
773-638 8 CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-638 9 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-10-09   
773-640 A CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
773-640 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-05-11   
773-640 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-05-11   
773-640 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-11   
773-640 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-03-24   
773-640 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-11   
773-640 5 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
773-640 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-11   
773-640 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-11   
773-640 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-11   
773-640 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-11   
773-648 A CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
773-648 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-08-12   
773-648 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-11   
773-648 2 CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      

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

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