The RM3 postcode district is a postal district with a population of 40,387 and is within the RM Romford postcode area.
The area of the RM3 postcode district is 5.48 square miles which is 14.19 square kilometres or 3,506.07 acres.
There are 4 postcode sectors within the RM3 district.
|Postcode Sector||Delivery Office|
|RM3 0||Harold Hill Delivery Office|
|RM3 7||Harold Hill Delivery Office|
|RM3 8||Harold Hill Delivery Office|
|RM3 9||Harold Hill Delivery Office|