78669 is the Postal Code/PLZ Code for Wellendingen in the Germany State of Baden-Württemberg and the District of Landkreis Rottweil.
| Postal Code | 78669 |
| Postal Code Name | Wellendingen |
| State | Baden-Württemberg |
| District | Landkreis Rottweil |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 72355 78559 78586 78628 78665 |