| Place | Post Code |
|---|---|
| Raele, Itbayat | 3905 |
| San Rafael, Itbayat | 3905 |
| Santa Lucia, Itbayat | 3905 |
| Santa Maria, Itbayat | 3905 |
| Santa Rosa, Itbayat | 3905 |
| All postal codes in Batanes | |
|---|---|
| Basco, Batanes | |
| Itbayat, Batanes | |
| Ivana, Batanes | |
| Mahatao, Batanes | |
| Sabtang, Batanes | |
| Uyugan, Batanes | |