| Place | Post Code |
|---|---|
| Abatan, Bauko | 2621 |
| Bagnen Oriente, Bauko | 2621 |
| Bagnen Proper, Bauko | 2621 |
| Balintaugan, Bauko | 2621 |
| Banao, Bauko | 2621 |
| Bila, Bauko | 2621 |
| Guinzadan Central, Bauko | 2621 |
| Guinzadan Norte, Bauko | 2621 |
| Guinzadan Sur, Bauko | 2621 |
| Lagawa, Bauko | 2621 |
| Leseb, Bauko | 2621 |
| Mabaay, Bauko | 2621 |
| Mayag, Bauko | 2621 |
| Monamon Norte, Bauko | 2621 |
| Monamon Sur, Bauko | 2621 |
| Mount Data, Bauko | 2621 |
| Otucan Norte, Bauko | 2621 |
| Otucan Sur, Bauko | 2621 |
| Poblacion, Bauko | 2621 |
| Sadsadan, Bauko | 2621 |
| Sinto, Bauko | 2621 |
| Tapapan, Bauko | 2621 |