Smithfield zipcode
| City | Smithfield |
| ZIP Code | 61477 |
| Type | Standard |
| State Code | IL |
| State | Illinois |
ZIP code of Smithfield is 61477. This place is located in Illinois state in US. To send any postal service to Smithfield, you must use 61477 zipcode.
You should avoid following 2 city names of Illinois to be used with the ZIP code 61477.
- Blyton, IL
- Seville, IL