The SA18 3WY 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 2005-12 and terminated on 2007-01.
| Name | Type |
|---|---|
| OA21CD | W00003362 |
| LSOA21CD | W01000626 |
| MSOA21CD | W02000154 |
| MSOA21 | Ammanford & Betws |
| Postcode Area | SA18 |
| Ward | Ammanford |
| LTLA22 | Carmarthenshire |
| UTLA22 | Carmarthenshire |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -3.985226779552759, 51.791177279911864 ] |