| Information about Upper Trelyn, Wales | |
|---|---|
| Name | Upper Trelyn |
| Post Code | NP12 |
| Area | Caerphilly |
| Country | Wales |
| Name | Place | Post Code |
|---|---|---|
| Adelaide Court, Upper Trelyn | Upper Trelyn | NP12 3FH |
| Sydney Court, Upper Trelyn | Upper Trelyn | NP12 3FL |
| Perth Court, Upper Trelyn | Upper Trelyn | NP12 3FG |
| Brisbane Court, Upper Trelyn | Upper Trelyn | NP12 3FJ |
| Melbourne Court, Upper Trelyn | Upper Trelyn | NP12 3FN |
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| Information about Wales | |
|---|---|
| Name | Wales |
| ISO 3166-1-2 | GB-WLS |
| Timezone | Greenwich Mean Time (UTC) |
| Language | Welsh English |
| Information about Caerphilly | |
|---|---|
| Name | Caerphilly |
| European divisions | UKL16 |