| Place | Post Code |
|---|---|
| Sihuay Chico, San Juan de Yanac | 11850 |
| Suico, San Juan de Yanac | 11850 |
| Sulcahuillca, San Juan de Yanac | 11850 |
| Taquia, San Juan de Yanac | 11850 |
| Taraya, San Juan de Yanac | 11850 |
| Tarayoc, San Juan de Yanac | 11850 |
| Tocarasca, San Juan de Yanac | 11850 |
| Tomuna, San Juan de Yanac | 11850 |
| Torcay, San Juan de Yanac | 11850 |
| Toro Rumi, San Juan de Yanac | 11850 |
| Torocapana, San Juan de Yanac | 11850 |
| Trapiche, San Juan de Yanac | 11850 |
| Turasniyoc, San Juan de Yanac | 11850 |
| Uchpa Chico, San Juan de Yanac | 11850 |
| Yurascancha, San Juan de Yanac | 11850 |