89171 is the Postal Code/PLZ Code for Illerkirchberg in the Germany State of Baden-Württemberg and the District of Landkreis Alb-Donau-Kreis.
| Postal Code | 89171 |
| Postal Code Name | Illerkirchberg |
| State | Baden-Württemberg |
| District | Landkreis Alb-Donau-Kreis |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 89079 89186 89195 89231 89250 89269 |