23774 is the Postal Code/PLZ Code for Heiligenhafen in the Germany State of Schleswig-Holstein and the District of Landkreis Ostholstein. The town of Heiligenhafen is located in Postal Code 23774.
| Postal Code | 23774 |
| Postal Code Name | Heiligenhafen |
| State | Schleswig-Holstein |
| District | Landkreis Ostholstein |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 23758 23775 |