88636 is the Postal Code/PLZ Code for Illmensee in the Germany State of Baden-Württemberg and the District of Landkreis Sigmaringen.
| Postal Code | 88636 |
| Postal Code Name | Illmensee |
| State | Baden-Württemberg |
| District | Landkreis Sigmaringen |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 88271 88356 88630 88633 88693 |