| Place | Post Code |
|---|---|
| Achadh an Mhothair (Aghavoher, Carn) | H14 |
| Berrymount, Carn | H14 |
| Bocade, Carn | H14 |
| Bréandroim (Breandrum, Carn) | H14 |
| An Carn (Carn, Carn) | H14 |
| An Carraigín (Carrigan, Carn) | H14 |
| Clifton, Carn | H14 |
| Cloncollow, Carn | H14 |
| Fardhroinn (Fartrin, Carn) | H14 |
| Fort Valley, Carn | H14 |
| Cill Dalláin (Kildallan, Carn) | H14 |
| Killygreagh, Carn | H14 |
| Coill na Croise (Kilnacross, Carn) | H14 |
| Listiernan, Carn | H14 |
| Pottle, Carn | H14 |
| Slievebricken, Carn | H14 |