Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Chicago Zone 03-Kildare, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
773-930 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-02-26   
773-930 3 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-02-24   
773-930 4 CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-02-24   
773-930 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-02-22   
773-930 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-02-22   
773-930 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-02-22   
773-930 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-02-22   
773-930 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-02-22   
773-932 A CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-932 0 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-932 1 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-932 2 BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2024-12-31   
773-932 3 ELGNILOTGT5  5562 METROPCS, INC. 358   2004-03-19   
773-932 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-03-19   
773-932 5 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-932 6 CHCGIL24DS6  224C ONVOY, LLC 358      
773-932 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-03-19   
773-932 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-03-19   
773-932 9 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-949 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-949 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-04-25   
773-949 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-04-25   
773-949 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-04-25   
773-949 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-04-25   
773-949 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-04-25   
773-949 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-04-25   
773-949 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-04-25   
773-949 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-04-25   
773-949 8 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-04-25   
773-949 9 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2011-04-25   
773-951 A RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-951 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-06-25   
773-951 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-06-25   
773-951 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-06-25   
773-951 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-06-25   
773-951 4 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2006-12-13   
773-951 5 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2006-12-13   
773-951 6 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2006-12-13   
773-951 7 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2006-12-07   
773-951 8 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2006-12-13   
773-951 9 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2006-12-13   
773-953 A ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-953 0 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-11-05   
773-953 1 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-11-05   
773-953 2 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-11-05   
773-953 3 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-11-05   
773-953 4 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-11-05   
773-953 5 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-13   
773-953 6 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-13   
773-953 7 ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-10-13   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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