| Place | Post Code |
|---|---|
| Castel Viscardo, Castel Viscardo | 05014 |
| Fibbiano, Castel Viscardo | 05014 |
| Le Prese-Zona Industriale, Castel Viscardo | 05014 |
| Monterubiaglio, Castel Viscardo | 05014 |
| Pianlungo, Castel Viscardo | 05014 |
| Podere Iazzi, Castel Viscardo | 05014 |
| Viceno, Castel Viscardo | 05014 |
| Villa Pini, Castel Viscardo | 05014 |