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
773-493 5 Chicago Zone 07-Hyde Park IL CHCGILDODS0  9329 ILLINOIS BELL TEL CO 358      
773-493 6 Chicago Zone 07-Hyde Park IL CHCGILDODS0  9329 ILLINOIS BELL TEL CO 358      
773-493 7 Chicago Zone 07-Hyde Park IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2021-10-18   
773-493 8 Chicago Zone 07-Hyde Park IL CHCGILDODS0  9329 ILLINOIS BELL TEL CO 358      
773-493 9 Chicago Zone 07-Hyde Park IL CHCGILDODS0  9329 ILLINOIS BELL TEL CO 358      
773-494 A Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-494 0 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-01-10   
773-494 1 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-07-24   
773-494 2 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-01-10   
773-494 3 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-01-10   
773-494 4 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2005-01-02   
773-494 5 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-12-25   
773-494 6 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-12-20   
773-494 7 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-12-20   
773-494 8 Chicago Zone 03-Kildare IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2005-10-01   
773-494 9 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-12-20   
773-495 A Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-496 A Chicago Zone 07-Stewart IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
773-496 0 Chicago Zone 07-Stewart IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-496 1 Chicago Zone 07-Stewart IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-496 2 Chicago Zone 07-Stewart IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-496 3 Chicago Zone 07-Stewart IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-496 4 Chicago Zone 07-Stewart IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2002-10-28   
773-496 5 Chicago Zone 07-Stewart IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358      
773-496 6 Chicago Zone 07-Stewart IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-496 7 Chicago Zone 07-Stewart IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-496 8 Chicago Zone 07-Stewart IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-496 9 Chicago Zone 07-Stewart IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2003-12-27   
773-497 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 0 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 1 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 2 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 3 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 4 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 5 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-497 7 Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-498 A Chicago Zone 08-Portsmouth IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-498 0 Chicago Zone 08-Portsmouth IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-498 1 Chicago Zone 08-Portsmouth IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-498 2 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 3 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 4 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 5 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2009-11-14   
773-498 6 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 7 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 8 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-498 9 Chicago Zone 08-Portsmouth IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
773-499 A Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-499 0 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-11-19   
773-499 1 Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2004-11-19   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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