Smithville zipcode
| City | Smithville |
| ZIP Code | 78957 |
| Type | Standard |
| State Code | TX |
| State | Texas |
ZIP code of Smithville is 78957. This place is located in Texas state in US. To send any postal service to Smithville, you must use 78957 zipcode.
You should avoid following 2 city names of Texas to be used with the ZIP code 78957.
- Kirtley, TX
- Upton, TX