The SE21 postcode district is a postal district with a population of 15,259 and is within the SE London - SE postcode area.
The area of the SE21 postcode district is 1.77 square miles which is 4.57 square kilometres or 1,130.41 acres.
There are 2 postcode sectors within the SE21 district.
|Postcode Sector||Delivery Office|
|SE21 7||Dulwich Sdelivery Office|
|SE21 8||Dulwich Sdelivery Office|