| Place | Post Code |
|---|---|
| Nueva Victoria, San Juan | 06400 |
| Nuevo Progreso, San Juan | 06400 |
| Numero Ocho, San Juan | 06400 |
| Ogoriz, San Juan | 06400 |
| Pampa Grande, San Juan | 06400 |
| Peña Blamca, San Juan | 06400 |
| Pueblo Libre, San Juan | 06400 |
| Pueblo Nuevo, San Juan | 06400 |
| Quivinchan, San Juan | 06400 |
| San Juan, San Juan | 06400 |
| San Lorenzo, San Juan | 06400 |
| Santo Tomas, San Juan | 06400 |
| Tamiacocha, San Juan | 06400 |
| Tayapata, San Juan | 06400 |
| Tingo, San Juan | 06400 |
| Yumagual Alto, San Juan | 06400 |
| Yumagual Bajo, San Juan | 06400 |