| Locality | Post Code |
|---|---|
| 4 Vientos, Villa Oliva | 121501 |
| Alegre, Villa Oliva | 121501 |
| Centro, Villa Oliva | 121501 |
| Estanzuela, Villa Oliva | 121502 |
| Karandayty, Villa Oliva | 121503 |
| La Esperanza, Villa Oliva | 121501 |
| Maria Auxiliadora, Villa Oliva | 121501 |
| Paray, Villa Oliva | 121502 |
| Puerto Paraiso, Villa Oliva | 121502 |
| San Juan, Villa Oliva | 121503 |
| San Miguel, Villa Oliva | 121501, 121502 |
| Torypa, Villa Oliva | 121501 |
| Valle Puku, Villa Oliva | 121501 |
| Yvy Pohyi, Villa Oliva | 121502 |
| Zanjita, Villa Oliva | 121504 |
| Zanjita Yvy Ata, Villa Oliva | 121504 |