Green Bay zipcode
| City | Green Bay |
| ZIP Code | 54304 |
| Type | Standard |
| State Code | WI |
| State | Wisconsin |
ZIP code of Green Bay is 54304. This place is located in Wisconsin state in US. To send any postal service to Green Bay, you must use 54304 zipcode.
The ZIP code 54304 is also used with 1 more city name of Wisconsin.
- Ashwaubenon, WI