21646 is the Postal Code/PLZ Code for Halvesbostel in the Germany State of Lower Saxony and the District of Landkreis Harburg.
| Postal Code | 21646 |
| Postal Code Name | Halvesbostel |
| State | Lower Saxony |
| District | Landkreis Harburg |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 21258 21644 21649 27419 |