31180 is the Postal Code/PLZ Code for Giesen in the Germany State of Lower Saxony and the District of Landkreis Hildesheim.
| Postal Code | 31180 |
| Postal Code Name | Giesen |
| State | Lower Saxony |
| District | Landkreis Hildesheim |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 31137 31139 31157 31171 31177 |