| Place | Post Code |
|---|---|
| Pulpuliag, Cahuac | 10590 |
| Pumaucro, Cahuac | 10590 |
| Rambrash Ragran, Cahuac | 10590 |
| San Cristobal, Cahuac | 10590 |
| San Martin, Cahuac | 10590 |
| Santa Rosa, Cahuac | 10590 |
| Shanguil Jircan, Cahuac | 10590 |
| Shillahuarin, Cahuac | 10590 |
| Sinchi Roca, Cahuac | 10590 |
| Toldo Rumi, Cahuac | 10590 |
| Tucto Palanga, Cahuac | 10590 |
| Velacasha, Cahuac | 10590 |
| Yanacacho, Cahuac | 10590 |