Smithville zipcode
| City | Smithville |
| ZIP Code | 74957 |
| Type | Standard |
| State Code | OK |
| State | Oklahoma |
ZIP code of Smithville is 74957. This place is located in Oklahoma state in US. To send any postal service to Smithville, you must use 74957 zipcode.
The ZIP code 74957 is also used with 1 more city name of Oklahoma.
- Octavia, OK