| Information about Cefniwrch, Wales | |
|---|---|
| Name | Cefniwrch |
| Post Code | LL77 |
| Area | Isle of Anglesey |
| Country | Wales |
| Name | Place | Post Code |
|---|---|---|
| Bron Felen, Cefniwrch | Cefniwrch | LL77 7UU |
| Information about Wales | |
|---|---|
| Name | Wales |
| ISO 3166-1-2 | GB-WLS |
| Timezone | Greenwich Mean Time (UTC) |
| Language | Welsh English |
| Information about Isle of Anglesey | |
|---|---|
| Name | Isle of Anglesey |
| European divisions | UKL11 |