The SA4 1YY 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 1985-04 and terminated on 2001-12.
| Name | Type |
|---|---|
| OA21CD | W00003584 |
| LSOA21CD | W01000665 |
| MSOA21CD | W02000158 |
| MSOA21 | Yr Hendy & Tŷ-croes |
| Postcode Area | SA4 |
| Ward | Hendy |
| LTLA22 | Carmarthenshire |
| UTLA22 | Carmarthenshire |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -4.048854409842469, 51.742497473269616 ] |