| Information about Trefil, Wales | |
|---|---|
| Name | Trefil |
| Post Code | NP22 |
| Area | Blaenau Gwent |
| Country | Wales |
| Name | Place | Post Code |
|---|---|---|
| Pentwyn Cottage, Trefil | Trefil | NP22 4HF |
| Ty Newydd Cottage, Trefil | Trefil | NP22 4HD |
| Mountain Vista, Trefil | Trefil | NP22 4HE |
| Ty Croeso, Trefil | Trefil | NP22 4HG |
| Golwg yr Afon, Trefil | Trefil | NP22 4HG |
| Bon y Maen, Trefil | Trefil | NP22 4HG |
| Kings Arms Cottages, Trefil | Trefil | NP22 4ES |
| Heather View, Trefil | Trefil | NP22 4HG |
| Danygarn, Trefil | Trefil | NP22 4HE |
| Anwylfan, Trefil | Trefil | NP22 4HE |
| Rhymney Row, Trefil | Trefil | NP22 4EX |
| Dros-y-Lynn Farm, Trefil | Trefil | NP22 4HD |
| Bryn Glas, Trefil | Trefil | NP22 4HF |
| Information about Wales | |
|---|---|
| Name | Wales |
| ISO 3166-1-2 | GB-WLS |
| Timezone | Greenwich Mean Time (UTC) |
| Language | Welsh English |
| Information about Blaenau Gwent | |
|---|---|
| Name | Blaenau Gwent |
| European divisions | UKL16 |