| 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 |
|---|---|---|---|
| 224-703 | Lake In The Hills | Mchenry | Wireless |
| 224-600 | Lake In The Hills | Mchenry | Wireless |
| 224-214 | Waukegan | Lake | Wireless |
| 224-808 | Northbrook | Cook | Wireless |
| 224-216 | Winnetka | Cook | Wireless |
| 224-427 | Barrington | Lake | Wireless |
| 224-325 | Elgin | Kane | Wireless |
| 224-635 | Oak Brook | Dupage | Landline |
| 224-733 | Waukegan | Lake | Wireless |
| 224-503 | Northbrook | Cook | Wireless |
| 224-279 | Wheeling | Cook | Wireless |
| 224-251 | Skokie | Cook | Landline |
| 224-405 | Fort Sheridan | Lake | Landline |
| 224-223 | Northbrook | Cook | Wireless |
| 224-518 | Arlington Heights | Cook | Wireless |
| 224-715 | Mundelein | Lake | Wireless |
| 224-521 | Glenview | Cook | Landline |
| 224-558 | Arlington Heights | Cook | Wireless |
| 224-338 | Round Lake | Lake | Landline |
| 224-935 | Skokie | Cook | Wireless |