The SL4 1NL postcode was located in Windsor and Maidenhead, Windsor and Maidenhead postcode town, within South East, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1983-01 and terminated on 1986-12.
| Name | Type |
|---|---|
| OA21CD | E00083643 |
| LSOA21CD | E01016567 |
| MSOA21CD | E02003430 |
| MSOA21 | Windsor Town & Eton |
| Postcode Area | SL4 |
| Ward | Eton & Castle |
| LTLA22 | Windsor and Maidenhead |
| UTLA22 | Windsor and Maidenhead |
| Region | South East |
| Country | England |
| Co-ordinates | [ -0.6073429060314316, 51.483679799218145 ] |