28,582
Population
11,197
Households
952
Postcodes
5
Sectors
About AL3
The AL3 postcode district covers St Albans, Childwickbury, Flamstead, Gorhambury, Markyate, Porters Wood, Redbourn, Sandridge in St Albans. It falls under the St. Albans post town. The area has a population of approximately 28,582.