ZIP codes starting with 603
Where is ZIP code prefix 603?
Oak Park, Illinois
6 active ZIP codes, from 60301 to 60399
| ZIP code | City | County | Type | Population |
|---|---|---|---|---|
| 60301 | Oak Park, IL | Cook County | Standard | 3,475 |
| 60302 | Oak Park, IL | Cook County | Standard | 32,862 |
| 60303 | Oak Park, IL | Cook County | PO Box only | – |
| 60304 | Oak Park, IL | Cook County | Standard | 16,955 |
| 60305 | River Forest, IL | Cook County | Standard | 11,992 |
| 60399 | Wood Dale, IL | Dupage County | Unique | – |
States
Questions
- Where are ZIP codes starting with 603?
- ZIP codes that start with 603 are in Illinois, mainly Oak Park, River Forest and Wood Dale.
- How many ZIP codes start with 603?
- 6 active ZIP codes start with 603.