| Place | Post Code |
|---|---|
| Borgo San Pietro, Petrella Salto | 02025 |
| Capradosso, Petrella Salto | 02025 |
| Castelmareri, Petrella Salto | 02025 |
| Diga Salto, Petrella Salto | 02025 |
| Fiumata, Petrella Salto | 02025 |
| Offeio, Petrella Salto | 02025 |
| Petrella Salto, Petrella Salto | 02025 |
| San Martino, Petrella Salto | 02025 |