| Place | Postal Code |
|---|---|
| Agan-An, Sibulan | 6201 |
| Ajong, Sibulan | 6201 |
| Balugo, Sibulan | 6201 |
| Bolocboloc, Sibulan | 6201 |
| Calabnugan, Sibulan | 6201 |
| Cangmating, Sibulan | 6201 |
| Enrique Villanueva, Sibulan | 6201 |
| Looc, Sibulan | 6201 |
| Magatas, Sibulan | 6201 |
| Maningcao, Sibulan | 6201 |
| Maslog, Sibulan | 6201 |
| Poblacion, Sibulan | 6201 |
| San Antonio, Sibulan | 6201 |
| Tubigon, Sibulan | 6201 |
| Tubtubon, Sibulan | 6201 |