The SA31 3YH postcode was located in Carmarthenshire, Carmarthenshire postcode town, within Wales, Wales region.
It is now a terminated postcode, it was a Large User postcode introduced in 1996-06 and terminated on 2005-09.
| Name | Type |
|---|---|
| OA21CD | W00003726 |
| LSOA21CD | W01000694 |
| MSOA21CD | W02000149 |
| MSOA21 | Carmarthen South & Llangynnwr |
| Postcode Area | SA31 |
| Ward | Llangunnor |
| LTLA22 | Carmarthenshire |
| UTLA22 | Carmarthenshire |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -4.305571487676266, 51.85084956877042 ] |