| Place | Post Code |
|---|---|
| Bagumbayan, Tiwi | 4513 |
| Bariis, Tiwi | 4513 |
| Baybay, Tiwi | 4513 |
| Belen, Tiwi | 4513 |
| Biyong, Tiwi | 4513 |
| Bolo, Tiwi | 4513 |
| Cale, Tiwi | 4513 |
| Cararayan, Tiwi | 4513 |
| Coro-Coro, Tiwi | 4513 |
| Dap-Dap, Tiwi | 4513 |
| Gajo, Tiwi | 4513 |
| Joroan, Tiwi | 4513 |
| Libjo, Tiwi | 4513 |
| Libtong, Tiwi | 4513 |
| Matalibong, Tiwi | 4513 |
| Maynonong, Tiwi | 4513 |
| Mayong, Tiwi | 4513 |
| Misibis, Tiwi | 4513 |
| Naga, Tiwi | 4513 |
| Nagas, Tiwi | 4513 |
| Oyama, Tiwi | 4513 |
| Putsan, Tiwi | 4513 |
| San Bernardo, Tiwi | 4513 |
| Sogod, Tiwi | 4513 |
| Tigbi, Tiwi | 4513 |