The SA18 3ST postcode was located in Carmarthenshire, Carmarthenshire postcode town, within Wales, Wales region.
It is now a terminated postcode, it was a Small User postcode introduced in 1987-04 and terminated on 1995-12.
| Name | Type |
|---|---|
| OA21CD | W00003844 |
| LSOA21CD | W01000714 |
| MSOA21CD | W02000154 |
| MSOA21 | Ammanford & Betws |
| Postcode Area | SA18 |
| Ward | Ammanford |
| LTLA22 | Carmarthenshire |
| UTLA22 | Carmarthenshire |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -3.991136164367836, 51.80056416453076 ] |