56645 is the Postal Code/PLZ Code for Nickenich in the Germany State of Rhineland-Palatinate and the District of Landkreis Mayen-Koblenz.
| Postal Code | 56645 |
| Postal Code Name | Nickenich |
| State | Rhineland-Palatinate |
| District | Landkreis Mayen-Koblenz |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 56626 56630 56642 56653 |