| 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 |
|---|---|---|---|
| 224-548 | Northbrook | Cook | Wireless |
| 224-323 | Arlington Heights | Cook | Wireless |
| 224-207 | Libertyville | Lake | Landline |
| 224-303 | Waukegan | Lake | Wireless |
| 224-286 | Lake Zurich | Lake | Landline |
| 224-554 | Rolling Meadows | Cook | Landline |
| 224-475 | Palatine | Cook | Landline |
| 224-253 | Lake In The Hills | Mchenry | Wireless |
| 224-234 | Northbrook | Cook | Wireless |
| 224-261 | Northbrook | Cook | Wireless |
| 224-543 | Lincolnshire | Lake | Landline |
| 224-699 | Dundee | Kane | Landline |
| 224-305 | Glenview | Cook | Wireless |
| 224-227 | Elgin | Kane | Wireless |
| 224-500 | Des Plaines | Cook | Wireless |
| 224-226 | Northbrook | Cook | Wireless |
| 224-238 | Elgin | Kane | Wireless |
| 224-361 | Des Plaines | Cook | Landline |
| 224-760 | Elgin | Kane | Wireless |
| 224-800 | Arlington Heights | Cook | Wireless |