Area code 224 covers part of Illinoisstate, covering most of Cook, Lake, Kane, Mchenry counties. It was started on Nov 08, 2000. This region follows US/Central + Daylight Savings timezone. Other popular area codes that belong to Illinois state include 217, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872.
Date Changed | Change Details |
Apr 18, 2014 | Area code 847 subscribers are now overlayed with area code 224. Subscriber area code 224-938 was assigned on Dec 29, 2010 and is operational from Apr 18, 2014. |
Apr 18, 2014 | Area code 847 subscribers are now overlayed with area code 224. Subscriber area code 224-944 was assigned on Aug 10, 2006 and is operational from Apr 18, 2014. |
Mar 20, 2014 | Area code 847 subscribers are now overlayed with area code 224. Subscriber area code 224-993 was assigned on Nov 09, 2012 and is operational from Mar 20, 2014. |
Feb 25, 2014 | Area code 847 subscribers are now overlayed with area code 224. Subscriber area code 224-990 was assigned on Jan 30, 2014 and is operational from Feb 25, 2014. |
Feb 25, 2014 | Area code 847 subscribers are now overlayed with area code 224. Subscriber area code 224-901 was assigned on Jan 30, 2014 and is operational from Feb 25, 2014. |
Jan 17, 2014 | Area code 847 subscribers are now overlayed with area code 224. Subscriber area code 224-999 was assigned on Sep 22, 2010 and is operational from Jan 17, 2014. |
Area Code | City | County | Population | Network Operator |
224-900-0 | Buffalo Grove | Cook | 519,467 | New Cingular Wireless PCS LLC - IL |
224-900-7 | Chicago | Cook | 519,467 | Bandwidth.com CLEC LLC - IL |
224-900-2 | Chicago | Cook | 519,467 | Level 3 Communications LLC - IL |
224-900-3 | Chicago | Cook | 519,467 | Local Access LLC - IL |
224-900-5 | Chicago | Cook | 519,467 | Neutral Tandem-Illinois LLC - IL |
224-900-8 | Chicago | Cook | 519,467 | Peerless Network of Illinois LLC - IL |
224-900-0 | Schaumburg | Cook | 519,467 | New Cingular Wireless PCS LLC - IL |
224-901-0 | Chicago | Mchenry | 308,760 | Peerless Network of Illinois LLC - IL |
224-901-7 | Chicago | Mchenry | 308,760 | Qwest Communications Company LLC |
224-911 | 403,913 | Emergency Services | ||
224-927-0 | Chicago | Cook | 519,467 | First Communications LLC - IL |
224-927-0 | Naperville | Cook | 519,467 | Sigecom LLC - IL |
224-927-9 | Oak Brook | Cook | 519,467 | YMax Communications Corporation - IL |
224-935-8 | Chicago | Cook | 519,467 | Access One Inc - IL |
224-935-5 | Chicago | Cook | 519,467 | Bandwidth.com CLEC LLC - IL |
224-935-9 | Chicago | Cook | 519,467 | Level 3 Communications LLC - IL |
224-935-0 | Elgin | Cook | 519,467 | Cellco Partnership dba Verizon Wireless - IL |
224-938-0 | Arlington Heights | Cook | 519,467 | Sprint Spectrum LP |
224-938-7 | Chicago | Cook | 519,467 | Bandwidth.com CLEC LLC - IL |
224-938-9 | Chicago | Cook | 519,467 | Comcast Phone of Illinois LLC - IL |
224-938-4 | Chicago | Cook | 519,467 | Teleport Communications America LLC - IL |
224-938-8 | Elgin | Cook | 519,467 | Cellco Partnership dba Verizon Wireless - IL |
224-940 | Bensenville | Lake | 703,462 | MCImetro Access Transmission Services LLC |
224-944-0 | Arlington Heights | Lake | 703,462 | Sprint Spectrum LP |
224-944-5 | Chicago | Lake | 703,462 | Broadwing Communications LLC - IL |
224-944-0 | Chicago | Lake | 703,462 | Comcast Phone of Illinois LLC - IL |
224-944-7 | Schaumburg | Lake | 703,462 | New Cingular Wireless PCS LLC - IL |
224-948 | Bensenville | Lake | 703,462 | MCImetro Access Transmission Services LLC |
224-950 | 556,952 | FGB Access Code | ||
224-958 | 542,960 | Standard Plant Test Code | ||
224-959 | 185,961 | Standard Plant Test Code | ||
224-976 | 426,978 | Information Provider | ||
224-990-9 | Chicago | Kane | 515,269 | Bandwidth.com CLEC LLC - IL |
224-990-1 | Chicago | Kane | 515,269 | Broadvox-CLEC LLC - IL |
224-990-0 | Chicago | Kane | 515,269 | Paetec Communications Inc - IL |
224-990-8 | Chicago | Kane | 515,269 | Peerless Network of Illinois LLC - IL |
224-990-5 | Chicago | Kane | 515,269 | Qwest Communications Company LLC |
224-990-6 | Chicago | Kane | 515,269 | SBC Internet Services Inc |
224-990-4 | Chicago | Kane | 515,269 | US Xchange of Illinois LLC dba Choice One Communications |
224-993-9 | Chicago | Lake | 703,462 | Bandwidth.com CLEC LLC - IL |
224-993-0 | Chicago | Lake | 703,462 | Broadwing Communications LLC - IL |
224-993-3 | Chicago | Lake | 703,462 | Level 3 Communications LLC - IL |
224-993-7 | Chicago | Lake | 703,462 | XO Illinois Inc |
224-993-8 | Wood Dale | Lake | 703,462 | XO Illinois Inc |
224-999-4 | Chicago | Cook | 519,467 | Bandwidth.com CLEC LLC - IL |
224-999-8 | Chicago | Cook | 519,467 | Broadvox-CLEC LLC - IL |
224-999-7 | Chicago | Cook | 519,467 | Comcast Phone of Illinois LLC - IL |
224-999-0 | Chicago | Cook | 519,467 | Level 3 Communications LLC - IL |
224-999-3 | Schaumburg | Cook | 519,467 | New Cingular Wireless PCS LLC - IL |
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