31691 is the Postal Code/PLZ Code for Helpsen in the Germany State of Lower Saxony and the District of Landkreis Schaumburg.
| Postal Code | 31691 |
| Postal Code Name | Helpsen |
| State | Lower Saxony |
| District | Landkreis Schaumburg |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 31655 31675 31683 31688 31693 |