| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Chilcombe | DT6 |
| Postal/ZIP Codes in Child Okeford | DT11 |
| Postal/ZIP Codes in Childhay | DT8 3LQ |
| Postal/ZIP Codes in Chilfrome | DT2 |
| Postal/ZIP Codes in Church Knowle | BH20 |
| Postal/ZIP Codes in Clayford | BH21 7BJ |
| Postal/ZIP Codes in Clifton Maybank | BA22 9UZ |
| Postal/ZIP Codes in Clouds Hill | BH20 7NQ |
| Postal/ZIP Codes in Cocknowle | BH20 5NT |
| Postal/ZIP Codes in Cokers Frome | DT2 |
| Postal/ZIP Codes in Coldharbour | BH20 7PA, BH20 7PE |
| Postal/ZIP Codes in Colehill | BH21 |
| Postal/ZIP Codes in Colesbrook | SP8 |
| Postal/ZIP Codes in Compton Abbas | SP7 |
| Postal/ZIP Codes in Compton Valence | DT2 |
| Postal/ZIP Codes in Coombe Keynes | BH20 |
| Postal/ZIP Codes in Corfe Castle | BH20 |
| Postal/ZIP Codes in Corfe Mullen | BH21 |
| Postal/ZIP Codes in Corscombe | DT2 |
| Postal/ZIP Codes in Coryates | DT3 4HW |
| Postal/ZIP Codes in Cosmore | DT2 7TW |
| Postal/ZIP Codes in Cowgrove | BH21 |
| Postal/ZIP Codes in Cranborne | BH21 |
| Postal/ZIP Codes in Crawthorne | DT2 7NG |
| Postal/ZIP Codes in Creech | BH20 |
| Postal/ZIP Codes in Crendell | SP6 |