To faciltiate users, the United States of America is divided into regions known as Area Codes, corresponding to particular geographic telephone dialing areas.
An area code denotes the regional location of a phone number within the United States.
The Area Code table below shows an area codes each.
Area Code 224 listing, by city
@The cities listed with each area code are the major cities for that area code;
| City / State | Area code | Zip Code | County | Iso | |
|---|---|---|---|---|---|
| Arlington Heights (Illinois) | 224 | 60006 | Cook | US-IL | |
| Arlington Heights (Illinois) | 224 | 60004 | Cook | US-IL | |
| Barrington (Illinois) | 224 | 60011 | Cook | US-IL | |
| Chicago (Illinois) | 224 | 60701 | Cook | US-IL | |
| Chicago (Illinois) | 224 | 60604 | Cook | US-IL | |
| Des Plaines (Illinois) | 224 | 60017 | Cook | US-IL | |
| Des Plaines (Illinois) | 224 | 60019 | Cook | US-IL | |
| Elgin (Illinois) | 224 | 60121 | Kane | US-IL | |
| Elk Grove Village (Illinois) | 224 | 60009 | Cook | US-IL | |
| Elk Grove Village (Illinois) | 224 | 60007 | Cook | US-IL | |
| Evanston (Illinois) | 224 | 60204 | Cook | US-IL | |
| Evanston (Illinois) | 224 | 60208 | Cook | US-IL | |
| Evanston (Illinois) | 224 | 60209 | Cook | US-IL | |
| Hoffman Estates (Illinois) | 224 | 60169 | Cook | US-IL | |
| Hoffman Estates (Illinois) | 224 | 60179 | Cook | US-IL | |
| Libertyville (Illinois) | 224 | 60092 | Lake | US-IL | |
| North Chicago (Illinois) | 224 | 60086 | Lake | US-IL | |
| Northbrook (Illinois) | 224 | 60065 | Cook | US-IL | |
| Palatine (Illinois) | 224 | 60038 | Cook | US-IL | |
| Palatine (Illinois) | 224 | 60055 | Cook | US-IL | |
| Palatine (Illinois) | 224 | 60078 | Cook | US-IL | |
| Palatine (Illinois) | 224 | 60094 | Cook | US-IL | |
| Palatine (Illinois) | 224 | 60095 | Cook | US-IL | |
| Schaumburg (Illinois) | 224 | 60159 | Cook | US-IL | |
| Schaumburg (Illinois) | 224 | 60168 | Cook | US-IL | |
| Schaumburg (Illinois) | 224 | 60196 | Cook | US-IL | |
| Waukegan (Illinois) | 224 | 60079 | Lake | US-IL | |
| Winthrop Harbor (Illinois) | 224 | 60096 | Lake | US-IL |