The RG4 9YN postcode was located in South Oxfordshire, Oxfordshire postcode town, within South East, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1996-12 and terminated on 1999-12.
| Name | Type |
|---|---|
| OA21CD | E00146000 |
| LSOA21CD | E01028664 |
| MSOA21CD | E02005977 |
| MSOA21 | Sonning Common & Kidmore End |
| Postcode Area | RG4 |
| Ward | Sonning Common |
| LTLA22 | South Oxfordshire |
| UTLA22 | Oxfordshire |
| Region | South East |
| Country | England |
| Co-ordinates | [ -0.9834974342223552, 51.51172168982491 ] |