The CM20 3AY postcode was located in Harlow, Essex postcode town, within East of England, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1980-01 and terminated on 1999-06.
| Name | Type |
|---|---|
| OA21CD | E00110969 |
| LSOA21CD | E01021847 |
| MSOA21CD | E02004545 |
| MSOA21 | Mark Hall & Templefields |
| Postcode Area | CM20 |
| Ward | Mark Hall |
| LTLA22 | Harlow |
| UTLA22 | Essex |
| Region | East of England |
| Country | England |
| Co-ordinates | [ 0.11321918130506367, 51.77473788147854 ] |