The CM21 9BT postcode was located in East Hertfordshire, Hertfordshire 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 1994-05.
| Name | Type |
|---|---|
| OA21CD | E00119381 |
| LSOA21CD | E01023501 |
| MSOA21CD | E02004888 |
| MSOA21 | Sawbridgeworth |
| Postcode Area | CM21 |
| Ward | Sawbridgeworth |
| LTLA22 | East Hertfordshire |
| UTLA22 | Hertfordshire |
| Region | East of England |
| Country | England |
| Co-ordinates | [ 0.14855426937185753, 51.81488717098412 ] |