The CM9 4 Heybridge Postcode Sector
The CM9 4 postcode sector is within the county of Essex in the East of England.
CM9 4 is a postcode sector within the CM9 postcode district which is within the CM Chelmsford postcode area.
The Royal Mail delivery office for the CM9 4 postal sector is the Maldon Delivery Office.
The area of the CM9 4 postcode sector is 4.57 square miles which is 11.83 square kilometres or 2,922.85 square acres.
Waterways within the CM9 4 postcode sector include the River Chelmer, River Blackwater and Blackwater
Map of the CM9 4 Postcode Sector
Explore the cm9 4 postcode sector by using our free interactive map.