Duluth zipcode
| City | Duluth |
| ZIP Code | 55814 |
| Type | PO Box |
| State Code | MN |
| State | Minnesota |
ZIP code of Duluth is 55814. This place is located in Minnesota state in US. To send any postal service to Duluth, you must use 55814 zipcode.
The ZIP code 55814 is also used with 2 more city names of Minnesota.
- Dlth Fed Pris, MN
- Duluth Federal Prison, MN