| Place | Post Code |
|---|---|
| Canasagan, San Juan | 6227 |
| Candura, San Juan | 6227 |
| Cangmunag, San Juan | 6227 |
| Cansayang, San Juan | 6227 |
| Catulayan, San Juan | 6227 |
| Lala-O, San Juan | 6227 |
| Maite, San Juan | 6227 |
| Napo, San Juan | 6227 |
| Paliton, San Juan | 6227 |
| Poblacion, San Juan | 6227 |
| Solangon, San Juan | 6227 |
| Tag-Ibo, San Juan | 6227 |
| Tambisan, San Juan | 6227 |
| Timbaon, San Juan | 6227 |
| Tubod, San Juan | 6227 |
| All postal codes in Siquijor | |
|---|---|
| Enrique Villanueva, Siquijor | |
| Larena, Siquijor | |
| Lazi, Siquijor | |
| Maria, Siquijor | |
| San Juan, Siquijor | |
| Siquijor, Siquijor | |