| Ort | Postleitzahl |
|---|---|
| Ajinembah, Merek | 22173 |
| Bandar Tongging, Merek | 22173 |
| Dokan, Merek | 22173 |
| Garingging, Merek | 22173 |
| Kodon-Kodon, Merek | 22173 |
| Merek, Merek | 22173 |
| Mulia Rakyat, Merek | 22173 |
| Nagalingga, Merek | 22173 |
| Nagara, Merek | 22173 |
| Negeri Tongging, Merek | 22173 |
| Pancur Batu, Merek | 22173 |
| Pangambaten, Merek | 22173 |
| Pertibi Lama, Merek | 22173 |
| Pertibitembe, Merek | 22173 |
| Regaji, Merek | 22173 |
| Sibolangit, Merek | 22173 |
| Situnggaling, Merek | 22173 |
| Sukamandi, Merek | 22173 |
| Tongging, Merek | 22173 |