| Lieu | Code postal |
|---|---|
| Barangay 1, Lawaan | 6813 |
| Barangay 10, Lawaan | 6813 |
| Barangay 2, Lawaan | 6813 |
| Barangay 3, Lawaan | 6813 |
| Barangay 4, Lawaan | 6813 |
| Barangay 5, Lawaan | 6813 |
| Barangay 6, Lawaan | 6813 |
| Barangay 7, Lawaan | 6813 |
| Barangay 8, Lawaan | 6813 |
| Barangay 9, Lawaan | 6813 |
| Betaog, Lawaan | 6813 |
| Bolusao, Lawaan | 6813 |
| Guinob-An, Lawaan | 6813 |
| Maslog, Lawaan | 6813 |
| San Isidro, Lawaan | 6813 |
| Taguite, Lawaan | 6813 |