21439 is the Postal Code/PLZ Code for Marxen in the Germany State of Lower Saxony and the District of Landkreis Harburg.
| Postal Code | 21439 |
| Postal Code Name | Marxen |
| State | Lower Saxony |
| District | Landkreis Harburg |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 21220 21227 21266 21271 21438 |