The CM21 postcode district is a postal district with a population of 10,838 and is within the CM Chelmsford postcode area.
The area of the CM21 postcode district is 9.41 square miles which is 24.37 square kilometres or 6,021.66 acres.
There are 2 postcode sectors within the CM21 district.
We found 2 hotels and guest houses within the CM21 postcode area
|Postcode Sector||Delivery Office|
|CM21 0||Sawbridgeworth Delivery Office|
|CM21 9||Sawbridgeworth Delivery Office|