31789 is the Postal Code/PLZ Code for Hameln in the Germany State of Lower Saxony and the District of Landkreis Hameln-Pyrmont.
| Postal Code | 31789 |
| Postal Code Name | Hameln |
| State | Lower Saxony |
| District | Landkreis Hameln-Pyrmont |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 31785 31787 31848 31855 31860 31863 |