The following are the zip codes in the municipalities of Marinduque.
| Region | Provinces | City/Municipality | Zip Code |
|---|---|---|---|
| Region 4B (MIMAROPA) | Marinduque | Boac | 4900 |
| Region 4B (MIMAROPA) | Marinduque | Buenavista | 4904 |
| Region 4B (MIMAROPA) | Marinduque | Gasan | 4905 |
| Region 4B (MIMAROPA) | Marinduque | Mogpog | 4901 |
| Region 4B (MIMAROPA) | Marinduque | Sta. Cruz | 4902 |
| Region 4B (MIMAROPA) | Marinduque | Torrijos | 4903 |
