| Place | Post Code |
|---|---|
| Acola, San Juan | 05520 |
| Allpahaspina, San Juan | 05520 |
| Ccocha, San Juan | 05520 |
| Chacha Huayco, San Juan | 05520 |
| Ischu Potrero, San Juan | 05520 |
| Lahuapampa, San Juan | 05520 |
| Pampahuasi, San Juan | 05520 |
| Puyachi, San Juan | 05520 |
| Reparticion, San Juan | 05520 |
| San Juan, San Juan | 05520 |
| San Juan de Utec, San Juan | 05520 |
| Ursuio, San Juan | 05520 |