Illinois Gazetteer
Oak Brook is the actual or alternate city name associated with 3 ZIP Codes by the US Postal Service.
Select a particular Oak Brook ZIP Code to view a more detailed map and the number of Business, Residential, and PO Box addresses for that ZIP Code. The Residential addresses are segmented by both Single and Multi-family addessses.
Each individual Oak Brook ZIP Code profile also includes Demographic Data including Population, Housing, Income, Households, and Growth Rates.
| Oak Brook, IL - Standard ZIP Codes |
| 60521 60523 |
| Oak Brook, IL - PO Box ZIP Codes (NO DEMOGRAPHIC DATA) |
| 60522 |
