The CM1 1NN 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 1997-06 and terminated on 2001-02.
| Name | Type |
|---|---|
| OA21CD | E00180527 |
| LSOA21CD | E01034089 |
| MSOA21CD | E02006978 |
| MSOA21 | Central Chelmsford East |
| Postcode Area | CM1 |
| Ward | Marconi |
| LTLA22 | Chelmsford |
| UTLA22 | Essex |
| Region | East of England |
| Country | England |
| Co-ordinates | [ 0.46978508559587656, 51.73869264057887 ] |