45478 is the Postal Code/PLZ Code for Mülheim an der Ruhr in the Germany State of North Rhine-Westphalia and the District of Mülheim an der Ruhr.
| Postal Code | 45478 |
| Postal Code Name | Mülheim an der Ruhr |
| State | North Rhine-Westphalia |
| District | Mülheim an der Ruhr |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 45473 45476 45479 46049 47057 47058 47138 |