| 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 |
|---|---|---|---|
| 224-545 | Northbrook | Cook | Wireless |
| 224-230 | Elgin | Kane | Wireless |
| 224-257 | Des Plaines | Cook | Landline |
| 224-300 | Deerfield | Lake | Landline |
| 224-243 | Fox Lake | Lake | Wireless |
| 224-572 | Waukegan | Lake | Landline |
| 224-235 | Northbrook | Cook | Wireless |
| 224-318 | Arlington Heights | Cook | Landline |
| 224-345 | Arlington Heights | Cook | Wireless |
| 224-654 | Huntley | Mchenry | Landline |
| 224-803 | Northbrook | Cook | Landline |
| 224-522 | Glenview | Cook | Wireless |
| 224-433 | Mundelein | Lake | Wireless |
| 224-351 | Lincolnshire | Lake | Landline |
| 224-990 | Elgin | Kane | Landline |
| 224-425 | Harwood Heights | Cook | Wireless |
| 224-440 | Waukegan | Lake | Wireless |
| 224-931 | Lake | Lake | - |
| 224-627 | North Chicago | Lake | Wireless |
| 224-629 | Elgin | Kane | Wireless |