| Place | Post Code |
|---|---|
| Air Durian Jaya, Air Upas | 78863 |
| Air Upas, Air Upas | 78863 |
| Banda Sari, Air Upas | 78863 |
| Gahang, Air Upas | 78863 |
| Harapan Baru, Air Upas | 78863 |
| Mekar Jaya, Air Upas | 78863 |
| Membuluh Baru, Air Upas | 78863 |
| Sari Bekayas, Air Upas | 78863 |
| Sukaria, Air Upas | 78863 |