The TW1 1SG 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 1990-02 and terminated on 1995-01.
| Name | Type |
|---|---|
| OA21CD | E00019458 |
| LSOA21CD | E01003866 |
| 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 | [ -0.32317373676250216, 51.45658079455459 ] |