| ZIP | Locality | Prov | Region | Area Code | Belfiore | Notes | Locality | area code |
|---|---|---|---|---|---|---|---|---|
| 14010 | Cellarengo | AT | Piedmont | 0141 | C438 | Cellarengo AT - Piedmont | 0141 | |
| 14010 | Celle Enomondo | AT | Piedmont | 0141 | C440 | Celle Enomondo AT - Piedmont | 0141 | |
| 14020 | Cerreto d'Asti | AT | Piedmont | 0141 | C528 | Cerreto d'Asti AT - Piedmont | 0141 | |
| 14030 | Cerro Tanaro | AT | Piedmont | 0141 | C533 | Cerro Tanaro AT - Piedmont | 0141 | |
| 14025 | Chiusano d'Asti | AT | Piedmont | 0141 | C658 | Chiusano d'Asti AT - Piedmont | 0141 | |
| 14020 | Cinaglio | AT | Piedmont | 0141 | C701 | Cinaglio AT - Piedmont | 0141 | |
| 14010 | Cisterna d'Asti | AT | Piedmont | 0141 | C739 | Cisterna d'Asti AT - Piedmont | 0141 | |
| 14054 | Coazzolo | AT | Piedmont | 0141 | C804 | Coazzolo AT - Piedmont | 0141 | |
| 14023 | Cocconato | AT | Piedmont | 0141 | C807 | Cocconato AT - Piedmont | 0141 | |
| 14020 | Corsione | AT | Piedmont | 0141 | D046 | Corsione AT - Piedmont | 0141 |