45888 is the Postal Code/PLZ Code for Gelsenkirchen in the Germany State of North Rhine-Westphalia and the District of Gelsenkirchen.
| Postal Code | 45888 |
| Postal Code Name | Gelsenkirchen |
| State | North Rhine-Westphalia |
| District | Gelsenkirchen |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 44649 44651 45879 45881 45886 45889 |