| 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 |
|---|---|---|---|
| 224-713 | Lake In The Hills | Mchenry | Wireless |
| 224-215 | Wilmette | Cook | Landline |
| 224-333 | Lake In The Hills | Mchenry | Landline |
| 224-209 | Lake In The Hills | Mchenry | Wireless |
| 224-633 | Barrington | Lake | Landline |
| 224-248 | Arlington Heights | Cook | Wireless |
| 224-324 | Arlington Heights | Cook | Wireless |
| 224-306 | Glenview | Cook | Wireless |
| 224-578 | Palatine | Cook | Wireless |
| 224-465 | Arlington Heights | Cook | Wireless |
| 224-255 | Winnetka | Cook | Wireless |
| 224-601 | Skokie | Cook | Landline |
| 224-406 | Northbrook | Cook | Wireless |
| 224-523 | Elgin | Kane | Wireless |
| 224-732 | Wauconda | Lake | Landline |
| 224-443 | Des Plaines | Cook | Wireless |
| 224-571 | Cook | Cook | - |
| 224-246 | Northbrook | Cook | Wireless |
| 224-473 | Waukegan | Lake | Landline |
| 224-757 | Round Lake | Lake | Landline |