31688 is the Postal Code/PLZ Code for Nienstädt in the Germany State of Lower Saxony and the District of Landkreis Schaumburg.
| Postal Code | 31688 |
| Postal Code Name | Nienstädt |
| State | Lower Saxony |
| District | Landkreis Schaumburg |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 31655 31683 31691 |