Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-588 A CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-604 A CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-649 A CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-649 0 CHCGILWUX1X  7765 OVATION COMMUNICATIONS OF ILLINOIS, INC. 358      
773-649 1 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-08   
773-649 2 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-07-09   
773-649 3 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-08   
773-649 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-08   
773-649 5 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-08   
773-649 6 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-08-13   
773-649 7 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-07-09   
773-649 8 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-07-09   
773-649 9 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-08   
773-681 A BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-681 0 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-09-27   
773-681 1 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2006-12-13   
773-681 2 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2007-06-26   
773-681 3 CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-08-05   
773-681 4 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2007-06-26   
773-681 5 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-681 6 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2008-08-14   
773-681 7 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-09-29   
773-681 8 CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2000-08-04   
773-681 9 BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-730 A CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-866 A CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-961 A CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-961 0 CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-961 1 CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-961 2 CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-961 3 CHCGILIRDS0  9329 ILLINOIS BELL TEL CO 358      
773-961 4 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2008-06-13   
773-961 5 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2008-06-13   
773-961 6 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2008-06-13   
773-961 7 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2008-07-10   
773-961 8 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2008-07-10   
773-961 9 CHCGILMF6MD  6529 T-MOBILE USA, INC. 358   2010-08-30   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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