31855 is the Postal Code/PLZ Code for Aerzen in the Germany State of Lower Saxony and the District of Landkreis Hameln-Pyrmont. The town of Aerzen is located in Postal Code 31855.
| Postal Code | 31855 |
| Postal Code Name | Aerzen |
| State | Lower Saxony |
| District | Landkreis Hameln-Pyrmont |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 31737 31787 31789 31812 31840 31860 32683 32699 |