Castlewood zipcode
| City | Castlewood |
| ZIP Code | 57223 |
| Type | Standard |
| State Code | SD |
| State | South Dakota |
ZIP code of Castlewood is 57223. This place is located in South Dakota state in US. To send any postal service to Castlewood, you must use 57223 zipcode.
You should avoid following 1 city name of South Dakota to be used with the ZIP code 57223.
- Kones Corner, SD