| 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 |
|---|---|---|---|
| 224-727 | Deerfield | Lake | Wireless |
| 224-326 | Mount Prospect | Cook | Landline |
| 224-944 | North Chicago | Lake | Wireless |
| 224-725 | Des Plaines | Cook | Wireless |
| 224-552 | Lake Forest | Lake | Landline |
| 224-678 | Lake In The Hills | Mchenry | Landline |
| 224-430 | North Chicago | Lake | Wireless |
| 224-218 | Hampshire | Kane | Landline |
| 224-544 | Lake Forest | Lake | Landline |
| 224-334 | Arlington Heights | Cook | Wireless |
| 224-252 | Grayslake | Lake | Landline |
| 224-383 | Northbrook | Cook | Landline |
| 224-535 | Elgin | Kane | Landline |
| 224-632 | Deerfield | Lake | Landline |
| 224-814 | Round Lake | Lake | Wireless |
| 224-927 | Northbrook | Cook | Landline |
| 224-242 | Elgin | Kane | Wireless |
| 224-423 | Des Plaines | Cook | Wireless |
| 224-458 | Northbrook | Cook | Wireless |
| 224-358 | Libertyville | Lake | Wireless |