45889 is the Postal Code/PLZ Code for Gelsenkirchen in the Germany State of North Rhine-Westphalia and the District of Gelsenkirchen.
| Postal Code | 45889 |
| Postal Code Name | Gelsenkirchen |
| State | North Rhine-Westphalia |
| District | Gelsenkirchen |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 44649 44651 44653 45881 45888 45891 45892 |