21729 is the Postal Code/PLZ Code for Freiburg (Elbe) in the Germany State of Lower Saxony and the District of Landkreis Stade.
| Postal Code | 21729 |
| Postal Code Name | Freiburg (Elbe) |
| State | Lower Saxony |
| District | Landkreis Stade |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 21732 21734 21737 |