28,218
Population
10,792
Households
785
Postcodes
3
Sectors
About AL4
The AL4 postcode district covers St Albans, Colney Heath, London Colney, Jersey Farm, Marshalswick, Oaklands, Sandridge, Smallford, Tyttenhanger, Wheathampstead in St Albans. It falls under the St. Albans post town. The area has a population of approximately 28,218.