Local Calling Guide

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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-715 3 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-04-23   
773-715 4 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-04-23   
773-715 5 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-06-08   
773-715 6 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358      
773-715 7 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-06-08   
773-715 8 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358   2004-08-16   
773-715 9 Chicago Zone 06-Lafayette IL   6529 T-MOBILE USA, INC. 358      
773-716 A Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-716 3 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-02-06   
773-716 4 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
773-716 5 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
773-716 6 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
773-716 7 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
773-716 8 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
773-716 9 Chicago Zone 01-Calumet IL   6529 T-MOBILE USA, INC. 358      
773-717 A Chicago Zone 07-Stewart IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-717 0 Chicago Zone 07-Stewart IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-04-22   
773-717 1 Chicago Zone 07-Stewart IL   224C ONVOY, LLC 358   2010-06-24   
773-717 2 Chicago Zone 07-Stewart IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-28   
773-717 3 Chicago Zone 07-Stewart IL   6529 T-MOBILE USA, INC. 358   2010-07-07   
773-717 4 Chicago Zone 07-Stewart IL   6529 T-MOBILE USA, INC. 358   2010-07-07   
773-717 5 Chicago Zone 07-Stewart IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2011-04-22   
773-717 6 Chicago Zone 07-Stewart IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2011-05-16   
773-717 7 Chicago Zone 07-Stewart IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-13   
773-717 8 Chicago Zone 07-Stewart IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-13   
773-717 9 Chicago Zone 07-Stewart IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-24   
773-718 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 0 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 1 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 2 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 3 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 4 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 5 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 6 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 7 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-718 8 Chicago Zone 01-Wabash IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-719 A Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-720 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-721 A Chicago Zone 09-South Chicago IL CHCGILSCDS0  9329 ILLINOIS BELL TEL CO 358      
773-722 A Chicago Zone 06-Kedzie IL CHCGILKEDS0  9329 ILLINOIS BELL TEL CO 358      
773-723 A Chicago Zone 07-Stewart IL CHCGILSTDS1  9329 ILLINOIS BELL TEL CO 358      
773-724 A Chicago Zone 03-Kildare IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-724 0 Chicago Zone 03-Kildare IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2005-12-08   
773-724 1 Chicago Zone 03-Kildare IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2005-12-08   
773-724 2 Chicago Zone 03-Kildare IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2005-12-12   
773-724 3 Chicago Zone 03-Kildare IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2005-12-12   
773-724 4 Chicago Zone 03-Kildare IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2005-12-12   
773-724 5 Chicago Zone 03-Kildare IL   624H ONVOY SPECTRUM, LLC 358   2025-05-15   
773-724 6 Chicago Zone 03-Kildare IL   5447 ACCESS ONE, INC. - IL 358   2006-01-20   
773-724 7 Chicago Zone 03-Kildare IL   6529 T-MOBILE USA, INC. 358   2006-01-14   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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