| Locality | Post Code |
|---|---|
| Cashmoor | DT11 8DN |
| Castletown | DT5 1BB |
| Cattistock | DT2 |
| Caundle Marsh | DT9 |
| Cerne Abbas | DT2 |
| Chalbury | BH21 |
| Chaldon Herring | DT2 |
| Chalmington | DT2 0HB |
| Chantmarle | DT2 0HD |
| Chapelhay | DT4 8JY |
| Charborough Park | BH20, DT11 |
| Charisworth | DT11 9AL |
| Charlestown | DT4 9TL, DT4 9TN |
| Charlton Down | DT2 |
| Charlton Marshall | DT11 |
| Charminster | DT2 |
| Charmouth | DT6 |
| Chebbard | DT2 7LW |
| Chedington | DT8 |
| Cherry Orchard | SP7 |
| Cheselbourne | DT2 |
| Chetnole | DT9 |
| Chettle | DT11 |
| Chickerell | DT3 |
| Chideock | DT6 |
| Chilbridge | BH21 4DX, BH21 4DX |