The CM1 3SW postcode was located in Chelmsford, Essex postcode town, within East of England, England region.
It is now a terminated postcode, it was a Small User postcode introduced in 1980-01 and terminated on 2008-02.
| Name | Type |
|---|---|
| OA21CD | E00109898 |
| LSOA21CD | E01021634 |
| MSOA21CD | E02004495 |
| MSOA21 | Writtle & Highwood |
| Postcode Area | CM1 |
| Ward | Writtle |
| LTLA22 | Chelmsford |
| UTLA22 | Essex |
| Region | East of England |
| Country | England |
| Co-ordinates | [ 0.4401752246400358, 51.72896948040587 ] |