| Information about Johnstown, Wales | |
|---|---|
| Name | Johnstown |
| Post Code | SA31, SA33 |
| Area | Carmarthenshire |
| Country | Wales |
| Name | Place | Post Code |
|---|---|---|
| Glan yr Ystrad, Johnstown | Johnstown | SA31 3NY |
| Y Ffordd Farm, Johnstown | Johnstown | SA33 5BL |
| Pen y Cae, Johnstown | Johnstown | SA31 3SD |
| Plas Penwern, Johnstown | Johnstown | SA31 3PN |
| Oaklands, Johnstown | Johnstown | SA33 5BL |
| Dyfed Close, Johnstown | Johnstown | SA31 3PD |
| Plas Ystrad, Johnstown | Johnstown | SA31 3PH |
| Old St. Clears Road, Johnstown | Johnstown | SA31 3HN |
| Old St. Clears Road, Johnstown | Johnstown | SA31 3HH |
| Information about Wales | |
|---|---|
| Name | Wales |
| ISO 3166-1-2 | GB-WLS |
| Timezone | Greenwich Mean Time (UTC) |
| Language | Welsh English |
| Information about Carmarthenshire | |
|---|---|
| Name | Carmarthenshire |
| European divisions | UKL14 |