| Ort | Postleitzahl |
|---|---|
| Antipolo, Gasan | 4905 |
| Bachao Ibaba, Gasan | 4905 |
| Bachao Ilaya, Gasan | 4905 |
| Bacongbacong, Gasan | 4905 |
| Bahi, Gasan | 4905 |
| Bangbang, Gasan | 4905 |
| Banot, Gasan | 4905 |
| Banuyo, Gasan | 4905 |
| Barangay I, Gasan | 4905 |
| Barangay II, Gasan | 4905 |
| Barangay III, Gasan | 4905 |
| Bognuyan, Gasan | 4905 |
| Cabugao, Gasan | 4905 |
| Dawis, Gasan | 4905 |
| Dili, Gasan | 4905 |
| Libtangin, Gasan | 4905 |
| Mahunig, Gasan | 4905 |
| Mangiliol, Gasan | 4905 |
| Masiga, Gasan | 4905 |
| Matandang Gasan, Gasan | 4905 |
| Pangi, Gasan | 4905 |
| Pingan, Gasan | 4905 |
| Tabionan, Gasan | 4905 |
| Tapuyan, Gasan | 4905 |
| Tiguion, Gasan | 4905 |
| Postleitzahlen in Marinduque | |
|---|---|
| Boac, Marinduque | |
| Buenavista, Marinduque | |
| Gasan, Marinduque | |
| Mogpog, Marinduque | |
| Santa Cruz, Marinduque | |
| Torrijos, Marinduque | |