| Place | Post Code |
|---|---|
| Bagumbayan, Malalag | 8010 |
| Baybay, Malalag | 8010 |
| Bolton, Malalag | 8010 |
| Bulacan, Malalag | 8010 |
| Caputian, Malalag | 8010 |
| Ibo, Malalag | 8010 |
| Kiblagon, Malalag | 8010 |
| Lapu-Lapu, Malalag | 8010 |
| Mabini, Malalag | 8010 |
| New Baclayon, Malalag | 8010 |
| Pitu, Malalag | 8010 |
| Poblacion, Malalag | 8010 |
| Rizal, Malalag | 8010 |
| San Isidro, Malalag | 8010 |
| Tagansule, Malalag | 8010 |