37589 is the Postal Code/PLZ Code for Kalefeld in the Germany State of Lower Saxony and the District of Landkreis Northeim.
| Postal Code | 37589 |
| Postal Code Name | Kalefeld |
| State | Lower Saxony |
| District | Landkreis Northeim |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 37154 37191 37520 37539 37574 37581 38723 |