| Locality | Post Code |
|---|---|
| Chitterne | BA12 |
| Chitterne Anstey | BA12 0JA |
| Chittoe | SN15 |
| Cholderton | SP4 |
| Christian Malford | SN15 |
| Chute Cadley | SP11 |
| Chute Forest | SP11 |
| Chute Standen | SP11 9EE |
| Clarendon | SP5 |
| Clarendon Park | SP5 |
| Clatford | SN8 |
| Clatford Bottom | SN8 4DY |
| Clench | SN8 |
| Clench Common | SN8 |
| Cleverton | SN15 |
| Clyffe Pypard | SN4 |
| Coate | SN10 |
| Codford | BA12 |
| Colerne | SN14 |
| Collingbourne Ducis | SN8 |
| Collingbourne Kingston | SN8 |
| Compton Bassett | SN11 |
| Compton Chamberlayne | SP3 |
| Conholt | SP11 |
| Conock | SN10 |
| Coombe Bissett | SP5 |