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
773-409 1 Chicago Zone 02-Edgewater IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 2 Chicago Zone 02-Edgewater IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 3 Chicago Zone 02-Edgewater IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 4 Chicago Zone 02-Edgewater IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2002-10-28   
773-409 5 Chicago Zone 02-Edgewater IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 6 Chicago Zone 02-Edgewater IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-409 7 Chicago Zone 02-Edgewater IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 8 Chicago Zone 02-Edgewater IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-409 9 Chicago Zone 02-Edgewater IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-410 A Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-410 0 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
773-410 1 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
773-410 2 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
773-410 3 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
773-410 4 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-26   
773-410 5 Chicago Zone 02-Edgewater IL   224C ONVOY, LLC 358   2025-10-26   
773-410 6 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-26   
773-410 7 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-26   
773-410 8 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-26   
773-410 9 Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-08-26   
773-412 A Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-412 0 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-412 1 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-412 2 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-412 3 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-412 4 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-412 5 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-412 6 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-412 7 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-412 8 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-412 9 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-413 A Chicago Zone 05-Austin IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-413 0 Chicago Zone 05-Austin IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
773-413 1 Chicago Zone 05-Austin IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-08-06   
773-413 2 Chicago Zone 05-Austin IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-413 3 Chicago Zone 05-Austin IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2005-08-19   
773-413 4 Chicago Zone 05-Austin IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-413 5 Chicago Zone 05-Austin IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-413 6 Chicago Zone 05-Austin IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2003-02-21   
773-413 7 Chicago Zone 05-Austin IL CHCGILCLXOX  516C AT&T CORP. 358   2006-05-02   
773-413 8 Chicago Zone 05-Austin IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-02-25   
773-413 9 Chicago Zone 05-Austin IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
773-414 A Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-414 0 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-11-01   
773-414 1 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-11-01   
773-414 2 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-11-01   
773-414 3 Chicago Zone 03-Kildare IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2004-11-02   
773-414 4 Chicago Zone 03-Kildare IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2004-11-02   
773-414 5 Chicago Zone 03-Kildare IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2004-11-02   
773-414 6 Chicago Zone 03-Kildare IL ELGNILOTGT5  5562 METROPCS, INC. 358   2004-11-02   

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

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