88634 is the Postal Code/PLZ Code for Herdwangen-Schönach in the Germany State of Baden-Württemberg and the District of Landkreis Sigmaringen.
| Postal Code | 88634 |
| Postal Code Name | Herdwangen-Schönach |
| State | Baden-Württemberg |
| District | Landkreis Sigmaringen |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 78333 78355 88630 88633 88639 88696 |