| Información general | |
|---|---|
| Nombre | Trecastle |
| Código postal | LD3 |
| Superficie | Powys |
| País | Wales |
| Nombre | Lugar | Código postal |
|---|---|---|
| Abercray Farm, Trecastle | Trecastle | LD3 8UU |
| Arfryn, Trecastle | Trecastle | LD3 8UP |
| Bear House, Trecastle | Trecastle | LD3 8UH |
| Beiliau Gleision, Trecastle | Trecastle | LD3 8UY |
| Belfont Farm, Trecastle | Trecastle | LD3 8YB |
| Berwyn, Trecastle | Trecastle | LD3 8UH |
| Black Horse, Trecastle | Trecastle | LD3 8UE |
| Brecon House, Trecastle | Trecastle | LD3 8UW |
| Bronwydd House, Trecastle | Trecastle | LD3 8UP |
| Brook House, Trecastle | Trecastle | LD3 8UH |
| Brynawelon, Trecastle | Trecastle | LD3 8UG |
| Bryncelyn, Trecastle | Trecastle | LD3 8UP |
| Bryn Haul, Trecastle | Trecastle | LD3 8UP |
| Bryn Heulog, Trecastle | Trecastle | LD3 8UP |
| Bush Forge, Trecastle | Trecastle | LD3 8UH |
| Bush House, Trecastle | Trecastle | LD3 8UH |
| Bwysfa Fach, Trecastle | Trecastle | LD3 8UR |
| Bwysfa Fawr, Trecastle | Trecastle | LD3 8UT |
| Caer Villa, Trecastle | Trecastle | LD3 8UP |
| Canol Dre, Trecastle | Trecastle | LD3 8UP |