| 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 |
|---|---|---|---|
| 224-441 | Waukegan | Lake | Wireless |
| 224-970 | Hanover Park | Cook | Landline |
| 224-888 | Cary | Mchenry | Landline |
| 224-592 | Skokie | Cook | Landline |
| 224-855 | Arlington Heights | Cook | Wireless |
| 224-400 | Arlington Heights | Cook | Landline |
| 224-268 | Elgin | Kane | Wireless |
| 224-508 | Elgin | Kane | Wireless |
| 224-310 | Arlington Heights | Cook | Landline |
| 224-308 | Round Lake | Lake | Wireless |
| 224-233 | Skokie | Cook | Landline |
| 224-795 | Arlington Heights | Cook | Wireless |
| 224-900 | Wheeling | Cook | Wireless |
| 224-716 | Lake In The Hills | Mchenry | Wireless |
| 224-772 | Waukegan | Lake | Landline |
| 224-513 | Libertyville | Lake | Landline |
| 224-404 | Arlington Heights | Cook | Landline |
| 224-402 | Elgin | Kane | Wireless |
| 224-212 | Lake Forest | Lake | Landline |
| 224-985 | Cook | Cook | - |