Humboldt zipcode
| City | Humboldt |
| ZIP Code | 57035 |
| Type | Standard |
| State Code | SD |
| State | South Dakota |
ZIP code of Humboldt is 57035. This place is located in South Dakota state in US. To send any postal service to Humboldt, you must use 57035 zipcode.
You should avoid following 1 city name of South Dakota to be used with the ZIP code 57035.
- Wellington, SD