31637 is the Postal Code/PLZ Code for Rodewald in the Germany State of Lower Saxony and the District of Landkreis Nienburg (Weser).
| Postal Code | 31637 |
| Postal Code Name | Rodewald |
| State | Lower Saxony |
| District | Landkreis Nienburg (Weser) |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 27336 29690 29693 31535 31634 |