The TW1 1SL postcode was located in Richmond upon Thames, Richmond upon Thames postcode town, within London, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1995-07 and terminated on 1997-06.
| Name | Type |
|---|---|
| OA21CD | E00019451 |
| LSOA21CD | E01003872 |
| MSOA21CD | E02000790 |
| MSOA21 | St Margarets |
| Postcode Area | TW1 |
| Ward | St Margarets & North Twickenham |
| LTLA22 | Richmond upon Thames |
| UTLA22 | Richmond upon Thames |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.3159571082478618, 51.45868049618148 ] |