78665 is the Postal Code/PLZ Code for Frittlingen in the Germany State of Baden-Württemberg and the District of Landkreis Tuttlingen.
| Postal Code | 78665 |
| Postal Code Name | Frittlingen |
| State | Baden-Württemberg |
| District | Landkreis Tuttlingen |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 78554 78559 78588 78628 78669 |