| ZIP | Locality | Prov | Region | Area Code | Belfiore | Notes | Locality | ZIP |
|---|---|---|---|---|---|---|---|---|
| 11024 | Châtillon | AO | Aosta Valley | 0166 | C294 | Châtillon AO - Aosta Valley | 11024 | |
| 11020 | Chef-Lieu | AO | Aosta Valley | 0165 | Frazione of Saint-Christophe | Chef-Lieu AO - Aosta Valley Frazione of Saint-Christophe | 11020 | |
| 07040 | Cheremule | SS | Sardinia | 079 | C600 | Cheremule SS - Sardinia | 07040 | |
| 11010 | Chesallet | AO | Aosta Valley | 0165 | Frazione of Sarre | Chesallet AO - Aosta Valley Frazione of Sarre | 11010 | |
| 10070 | Chialamberto | TO | Piedmont | 0123 | C604 | Chialamberto TO - Piedmont | 10070 | |
| 97012 | Chiaramonte Gulfi | RG | Sicily | 0932 | C612 | Chiaramonte Gulfi RG - Sicily | 97012 | |
| 60033 | Chiaravalle | AN | Marche | 071 | C615 | Chiaravalle AN - Marche | 60033 | |
| 29010 | Chiaravalle | PC | Emilia-Romagna | 0523 | Frazione of Alseno | Chiaravalle PC - Emilia-Romagna Frazione of Alseno | 29010 | |
| 88064 | Chiaravalle Centrale | CZ | Calabria | 0967 | C616 | Chiaravalle Centrale CZ - Calabria | 88064 | |
| 33050 | Chiasellis | UD | Friuli Venezia Giulia | 0432 | Frazione of Mortegliano | Chiasellis Frazione of Mortegliano | 33050 |