The BN23 postcode district is a postal district with a population of 28,302 and is within the BN Brighton postcode area.
The area of the BN23 postcode district is 3.81 square miles which is 9.87 square kilometres or 2,437.97 acres.
There are 4 postcode sectors within the BN23 district.
|Postcode Sector||Delivery Office|
|BN23 5||Westham Delivery Office|
|BN23 6||Westham Delivery Office|
|BN23 7||Westham Delivery Office|
|BN23 8||Westham Delivery Office|