| LL54 7SG information | |
|---|---|
| Postcode | LL54 7SG |
| Outward code | LL54 |
| Place | Cilgwyn |
| Name | Place | Postcode |
|---|---|---|
| Bryn Trallwyn Uchaf, Cilgwyn | Cilgwyn | LL54 7SG |
| Bwthyn Bryn Tirion, Cilgwyn | Cilgwyn | LL54 7SG |
| Fair View, Cilgwyn | Cilgwyn | LL54 7SG |
| Fron Fair, Cilgwyn | Cilgwyn | LL54 7SG |
| Penrhiwiau, Cilgwyn | Cilgwyn | LL54 7SG |