66999 is the Postal Code/PLZ Code for Hinterweidenthal in the Germany State of Rhineland-Palatinate and the District of Landkreis Südwestpfalz.
| Postal Code | 66999 |
| Postal Code Name | Hinterweidenthal |
| State | Rhineland-Palatinate |
| District | Landkreis Südwestpfalz |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 66957 66969 66978 66981 66994 76846 76848 |