The CM3 1DY 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 1980-01 and terminated on 1983-12.
| Name | Type |
|---|---|
| OA21CD | E00109435 |
| LSOA21CD | E01021540 |
| MSOA21CD | E02004485 |
| MSOA21 | Great Leighs & the Walthams |
| Postcode Area | CM3 |
| Ward | Broomfield and The Walthams |
| LTLA22 | Chelmsford |
| UTLA22 | Essex |
| Region | East of England |
| Country | England |
| Co-ordinates | [ 0.44571485805461397, 51.78300099355238 ] |