Humboldt zipcode
| City | Humboldt |
| ZIP Code | 86329 |
| Type | PO Box |
| State Code | AZ |
| State | Arizona |
ZIP code of Humboldt is 86329. This place is located in Arizona state in US. To send any postal service to Humboldt, you must use 86329 zipcode.
The ZIP code 86329 is also used with 2 more city names of Arizona.
- Dewey Humblt, AZ
- Dewey Humboldt, AZ