| Locality | Post Code |
|---|---|
| Bushton | SN4 |
| Buttermere | SN8 |
| Cadley | SN8 4NE |
| Calcutt | SN6 6JR |
| Calne | SN11 |
| Calstone | SN11 |
| Cancourt | SN4 9QS |
| Castle Combe | SN14 |
| Challymead | SN12 8LH |
| Chapmanslade | BA13 |
| Charlcutt | SN11 |
| Charlton All Saints | SP5 |
| Charlton (Malmesbury) | SN16 |
| Charlton Saint Peter | SN9 |
| Charlton (Shaftesbury) | SP7 |
| Chedglow | SN16 9EZ |
| Chelworth | SN16 |
| Chequers | SN13 0QG, SN13 0QH |
| Cherhill | SN11 |
| Chicklade | SP3 |
| Chicksgrove | SP3 |
| Chilmark | SP3 |
| Chilton Foliat | RG17 |
| Chippenham | SN14, SN15 |
| Chirton | SN10 |
| Chisbury | SN8 |