78343 is the Postal Code/PLZ Code for Gaienhofen in the Germany State of Baden-Württemberg and the District of Landkreis Konstanz.
| Postal Code | 78343 |
| Postal Code Name | Gaienhofen |
| State | Baden-Württemberg |
| District | Landkreis Konstanz |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 78337 78345 |