About AL Postcodes

The AL postcode area contains 10 postcode districts and covers St. Albans, Hatfield, Welwyn, Welwyn Garden City and other areas. The total population across all districts is approximately 249,911.

Postcode Districts 10

AL1
St Albans
1,214 postcodes 36,291 pop.
AL10
Hatfield
779 postcodes 35,391 pop.
AL2
St Albans, Bricket Wood, Colney Street, Frogmore, London Colney, Napsbury, Park Street, Potters Crouch, Chiswell Green
725 postcodes 23,335 pop.
AL3
St Albans, Childwickbury, Flamstead, Gorhambury, Markyate, Porters Wood, Redbourn, Sandridge
952 postcodes 28,025 pop.
AL4
St Albans, Colney Heath, London Colney, Jersey Farm, Marshalswick, Oaklands, Sandridge, Smallford, Tyttenhanger, Wheathampstead
785 postcodes 27,221 pop.
AL5
Harpenden
1,058 postcodes 30,486 pop.
AL6
Welwyn, Ayot St Peter, Ayot St Lawrence, Digswell, Rabley Heath, Tewin
508 postcodes 11,181 pop.
AL7
Welwyn Garden City
917 postcodes 33,974 pop.
AL8
Welwyn Garden City, Lemsford
425 postcodes 13,366 pop.
AL9
Hatfield, Brookmans Park, Essendon, North Mymms
427 postcodes 10,641 pop.

Post Towns in AL Area

St. Albans 4 districts
Hatfield 2 districts
Welwyn 2 districts
Welwyn Garden City 2 districts
Harpenden 1 district