21781 is the Postal Code/PLZ Code for Cadenberge in the Germany State of Lower Saxony and the District of Landkreis Cuxhaven.
| Postal Code | 21781 |
| Postal Code Name | Cadenberge |
| State | Lower Saxony |
| District | Landkreis Cuxhaven |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 21730 21734 21782 21785 21787 21789 |