78739 is the Postal Code/PLZ Code for Hardt in the Germany State of Baden-Württemberg and the District of Landkreis Rottweil.
| Postal Code | 78739 |
| Postal Code Name | Hardt |
| State | Baden-Württemberg |
| District | Landkreis Rottweil |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 78126 78144 78664 78713 |