The L21 4YX postcode was located in Sefton, Sefton postcode town, within North West, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 2004-09 and terminated on 2005-10.
| Name | Type |
|---|---|
| OA21CD | E00035532 |
| LSOA21CD | E01007004 |
| MSOA21CD | E02001462 |
| MSOA21 | Seaforth South |
| Postcode Area | L21 |
| Ward | Linacre |
| LTLA22 | Sefton |
| UTLA22 | Sefton |
| Region | North West |
| Country | England |
| Co-ordinates | [ -3.0097002988904986, 53.46224137772958 ] |