| Place | Post Code |
|---|---|
| Marigne, Barbaza | 5706 |
| Mayabay, Barbaza | 5706 |
| Mayos, Barbaza | 5706 |
| Nalusdan, Barbaza | 5706 |
| Narirong, Barbaza | 5706 |
| Palma, Barbaza | 5706 |
| Poblacion, Barbaza | 5706 |
| San Antonio, Barbaza | 5706 |
| San Ramon, Barbaza | 5706 |
| Soligao, Barbaza | 5706 |
| Tabongtabong, Barbaza | 5706 |
| Tig-Alaran, Barbaza | 5706 |
| Yapo, Barbaza | 5706 |