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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
773-762 8 Chicago Zone 06-Lawndale IL   9329 ILLINOIS BELL TEL CO 358      
773-762 9 Chicago Zone 06-Lawndale IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-10-09   
773-763 A Chicago Zone 03-Newcastle IL CHCGILNEDS0  9329 ILLINOIS BELL TEL CO 358      
773-764 A Chicago Zone 02-Rogers Park IL CHCGILRPDS0  9329 ILLINOIS BELL TEL CO 358      
773-765 A Chicago Zone 02-Edgewater IL CHCGIL24DS0  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-765 0 Chicago Zone 02-Edgewater IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-765 1 Chicago Zone 02-Edgewater IL   829J PAETEC ITEL, LLC 358   2013-02-28   
773-765 2 Chicago Zone 02-Edgewater IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-765 3 Chicago Zone 02-Edgewater IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-765 4 Chicago Zone 02-Edgewater IL   224C ONVOY, LLC 358   2008-10-15   
773-765 5 Chicago Zone 02-Edgewater IL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2010-10-27   
773-765 6 Chicago Zone 02-Edgewater IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-765 7 Chicago Zone 02-Edgewater IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-765 8 Chicago Zone 02-Edgewater IL   6529 T-MOBILE USA, INC. 358   2006-07-08   
773-765 9 Chicago Zone 02-Edgewater IL   624H ONVOY SPECTRUM, LLC 358   2022-01-07   
773-766 A Chicago Zone 03-Kildare IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-766 0 Chicago Zone 03-Kildare IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-03   
773-766 1 Chicago Zone 03-Kildare IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-03   
773-766 2 Chicago Zone 03-Kildare IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-03   
773-766 3 Chicago Zone 03-Kildare IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-03   
773-766 4 Chicago Zone 03-Kildare IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-08-03   
773-766 5 Chicago Zone 03-Kildare IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-766 6 Chicago Zone 03-Kildare IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-766 7 Chicago Zone 03-Kildare IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-766 8 Chicago Zone 03-Kildare IL   6529 T-MOBILE USA, INC. 358   2011-03-03   
773-766 9 Chicago Zone 03-Kildare IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2008-11-20   
773-767 A Chicago Zone 08-Portsmouth IL CHCGILPMDS0  9329 ILLINOIS BELL TEL CO 358      
773-768 A Chicago Zone 09-South Chicago IL CHCGILSCDS0  9329 ILLINOIS BELL TEL CO 358      
773-769 A Chicago Zone 02-Edgewater IL CHCGILEDDS0  9329 ILLINOIS BELL TEL CO 358      
773-769 0 Chicago Zone 02-Edgewater IL   9329 ILLINOIS BELL TEL CO 358      
773-769 1 Chicago Zone 02-Edgewater IL   9329 ILLINOIS BELL TEL CO 358      
773-769 2 Chicago Zone 02-Edgewater IL   9329 ILLINOIS BELL TEL CO 358      
773-769 3 Chicago Zone 02-Edgewater IL   9329 ILLINOIS BELL TEL CO 358      
773-769 4 Chicago Zone 02-Edgewater IL   9329 ILLINOIS BELL TEL CO 358      
773-769 5 Chicago Zone 02-Edgewater IL   9329 ILLINOIS BELL TEL CO 358      
773-769 6 Chicago Zone 02-Edgewater IL   9329 ILLINOIS BELL TEL CO 358      
773-769 7 Chicago Zone 02-Edgewater IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
773-769 8 Chicago Zone 02-Edgewater IL   9329 ILLINOIS BELL TEL CO 358      
773-769 9 Chicago Zone 02-Edgewater IL   9329 ILLINOIS BELL TEL CO 358      
773-770 A Chicago Zone 04-Humboldt IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
773-770 0 Chicago Zone 04-Humboldt IL   829J PAETEC ITEL, LLC 358      
773-770 1 Chicago Zone 04-Humboldt IL   829J PAETEC ITEL, LLC 358      
773-770 2 Chicago Zone 04-Humboldt IL   829J PAETEC ITEL, LLC 358      
773-770 3 Chicago Zone 04-Humboldt IL   318J COMCAST IP PHONE, LLC 358   2012-03-12   
773-770 4 Chicago Zone 04-Humboldt IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-12-22   
773-770 5 Chicago Zone 04-Humboldt IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-01-01   
773-770 6 Chicago Zone 04-Humboldt IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-09-10   
773-770 7 Chicago Zone 04-Humboldt IL   9329 ILLINOIS BELL TEL CO 358   2002-02-21   
773-770 8 Chicago Zone 04-Humboldt IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2007-09-19   
773-770 9 Chicago Zone 04-Humboldt IL   8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2000-10-12   

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

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