21755 is the Postal Code/PLZ Code for Hechthausen in the Germany State of Lower Saxony and the District of Landkreis Cuxhaven.
| Postal Code | 21755 |
| Postal Code Name | Hechthausen |
| State | Lower Saxony |
| District | Landkreis Cuxhaven |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 21709 21710 21712 21726 21745 21769 |