The TW3 3BY postcode was located in Hounslow, Hounslow 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 1994-05.
| Name | Type |
|---|---|
| OA21CD | E00013233 |
| LSOA21CD | E01002662 |
| MSOA21CD | E02000542 |
| MSOA21 | Hounslow West |
| Postcode Area | TW3 |
| Ward | Hounslow West |
| LTLA22 | Hounslow |
| UTLA22 | Hounslow |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.3787721008878435, 51.47175048280173 ] |