The CM1 3WH postcode was located in Chelmsford, Essex postcode town, within East of England, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 2003-06 and terminated on 2003-08.
| Name | Type |
|---|---|
| OA21CD | E00109897 |
| LSOA21CD | E01021636 |
| MSOA21CD | E02004495 |
| MSOA21 | Writtle & Highwood |
| Postcode Area | CM1 |
| Ward | Writtle |
| LTLA22 | Chelmsford |
| UTLA22 | Essex |
| Region | East of England |
| Country | England |
| Co-ordinates | [ 0.4277020201852081, 51.727267459072415 ] |