The SY21 0SA postcode was located in Powys, Powys postcode town, within Wales, Wales region.
It is now a terminated postcode, it was a Large User postcode introduced in 1980-01 and terminated on 2005-04.
| Name | Type |
|---|---|
| OA21CD | W00002453 |
| LSOA21CD | W01000460 |
| MSOA21CD | W02000102 |
| MSOA21 | Llanfair Caereinion & Caersws |
| Postcode Area | SY21 |
| Ward | Llanfair Caereinion and Llanerfyl |
| LTLA22 | Powys |
| UTLA22 | Powys |
| Region | Wales |
| Country | Wales |
| Co-ordinates | [ -3.3255264059127163, 52.64936664402395 ] |