The S1 1UN postcode was located in Sheffield, Sheffield postcode town, within Yorkshire and The Humber, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1980-01 and terminated on 1998-12.
| Name | Type |
|---|---|
| OA21CD | E00185257 |
| LSOA21CD | E01033264 |
| MSOA21CD | E02006843 |
| MSOA21 | Cathedral & Kelham |
| Postcode Area | S1 |
| Ward | City |
| LTLA22 | Sheffield |
| UTLA22 | Sheffield |
| Region | Yorkshire and The Humber |
| Country | England |
| Co-ordinates | [ -1.4702311134202177, 53.3791983651901 ] |