The SA31 1YN 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 1998-06.
| Name | Type |
|---|---|
| OA21CD | W00003436 |
| LSOA21CD | W01000639 |
| MSOA21CD | W02000148 |
| MSOA21 | Carmarthen North |
| Postcode Area | SA31 |
| Ward | Carmarthen Town North and South |
| LTLA22 | Carmarthenshire |
| UTLA22 | Carmarthenshire |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -4.3067606848497855, 51.86075411587141 ] |