21228 is the Postal Code/PLZ Code for Harmstorf in the Germany State of Lower Saxony and the District of Landkreis Harburg.
| Postal Code | 21228 |
| Postal Code Name | Harmstorf |
| State | Lower Saxony |
| District | Landkreis Harburg |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 21218 21220 21224 21227 21266 |