31199 is the Postal Code/PLZ Code for Diekholzen in the Germany State of Lower Saxony and the District of Landkreis Hildesheim.
| Postal Code | 31199 |
| Postal Code Name | Diekholzen |
| State | Lower Saxony |
| District | Landkreis Hildesheim |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 31028 31079 31139 31141 31162 |