Boulder Junction zipcode
| City | Boulder Junction |
| ZIP Code | 54512 |
| Type | Standard |
| State Code | WI |
| State | Wisconsin |
ZIP code of Boulder Junction is 54512. This place is located in Wisconsin state in US. To send any postal service to Boulder Junction, you must use 54512 zipcode.
The ZIP code 54512 is also used with 1 more city name of Wisconsin.
- Boulder Jct, WI