| SA66 7JP information | |
|---|---|
| Postcode | SA66 7JP |
| Outward code | SA66 |
| Place | Efailwen |
| Name | Place | Postcode |
|---|---|---|
| Brynhywel, Efailwen | Efailwen | SA66 7JP |
| Derlwyn, Efailwen | Efailwen | SA66 7JP |
| Gilfach Cottage, Efailwen | Efailwen | SA66 7JP |
| Gilfach Dofn, Efailwen | Efailwen | SA66 7JP |
| Glyn Bach, Efailwen | Efailwen | SA66 7JP |
| Troed y Rhiw, Efailwen | Efailwen | SA66 7JP |