Smithfield zipcode
| City | Smithfield |
| ZIP Code | 84335 |
| Type | Standard |
| State Code | UT |
| State | Utah |
ZIP code of Smithfield is 84335. This place is located in Utah state in US. To send any postal service to Smithfield, you must use 84335 zipcode.
The ZIP code 84335 is also used with 2 more city names of Utah.
- Amalga, UT
- Benson, UT