| General Information about Area Code 224 | |
|---|---|
| Country | United States |
| State / Province / Territory | Illinois |
| Major City | Des Plaines |
| Time Zone | Central (UTC-06:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 224-802 | Dundee | Kane | Landline |
| 224-432 | Glenview | Cook | Wireless |
| 224-993 | Wauconda | Lake | Landline |
| 224-321 | Waukegan | Lake | Wireless |
| 224-625 | Arlington Heights | Cook | Landline |
| 224-386 | Palatine | Cook | Wireless |
| 224-220 | Chicago | Cook | Wireless |
| 224-407 | Elgin | Kane | Wireless |
| 224-347 | Arlington Heights | Cook | Landline |
| 224-667 | Waukegan | Lake | Landline |
| 224-655 | Barrington | Lake | Landline |
| 224-856 | Elgin | Kane | Landline |
| 224-434 | Wheeling | Cook | Wireless |
| 224-649 | Northbrook | Cook | Landline |
| 224-829 | Lake In The Hills | Mchenry | Wireless |
| 224-901 | Fox Lake | Lake | Landline |
| 224-241 | Lake In The Hills | Mchenry | Wireless |
| 224-374 | Northbrook | Cook | Wireless |
| 224-231 | Rolling Meadows | Cook | Landline |
| 224-789 | Winthrop Harbor | Lake | Wireless |