56203 is the Postal Code/PLZ Code for Höhr-Grenzhausen in the Germany State of Rhineland-Palatinate and the District of Landkreis Westerwaldkreis. The town of Höhr-Grenzhausen is located in Postal Code 56203.
| Postal Code | 56203 |
| Postal Code Name | Höhr-Grenzhausen |
| State | Rhineland-Palatinate |
| District | Landkreis Westerwaldkreis |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 56170 56179 56191 56204 56206 56235 56237 |