The SA31 3YD 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 1993-08 and terminated on 1996-06.
| Name | Type |
|---|---|
| OA21CD | W00003458 |
| LSOA21CD | W01000644 |
| MSOA21CD | W02000147 |
| MSOA21 | Carmarthen West & Cynwyl Elfed |
| Postcode Area | SA31 |
| Ward | Carmarthen Town West |
| LTLA22 | Carmarthenshire |
| UTLA22 | Carmarthenshire |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -4.344646965714207, 51.84889873866793 ] |