The L23 1UN postcode was located in Sefton, Sefton postcode town, within North West, England region.
It is now a terminated postcode, it was a Small User postcode introduced in 1980-01 and terminated on 1985-12.
| Name | Type |
|---|---|
| OA21CD | E00035700 |
| LSOA21CD | E01007037 |
| MSOA21CD | E02001449 |
| MSOA21 | Hightown & Thornton |
| Postcode Area | L23 |
| Ward | Manor |
| LTLA22 | Sefton |
| UTLA22 | Sefton |
| Region | North West |
| Country | England |
| Co-ordinates | [ -2.997942447616343, 53.49972473479437 ] |