40721 is the Postal Code/PLZ Code for Hilden in the Germany State of North Rhine-Westphalia and the District of Landkreis Mettmann. The town of Hilden is located in Postal Code 40721.
| Postal Code | 40721 |
| Postal Code Name | Hilden |
| State | North Rhine-Westphalia |
| District | Landkreis Mettmann |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 40229 40595 40597 40599 40627 40723 40724 40764 |