The AL7 1 Welwyn Garden City Postcode Sector
The AL7 1 postcode sector is within the county of Hertfordshire in the East of England.
AL7 1 is a postcode sector within the AL7 postcode district which is within the AL St Albans postcode area.
The Royal Mail delivery office for the AL7 1 postal sector is the Welwyn Garden City Delivery Office.
The area of the AL7 1 postcode sector is 1.09 square miles which is 2.82 square kilometres or 696.10 square acres.
The AL7 1 postcode sector is crossed by a railway.
Map of the AL7 1 Postcode Sector
Explore the al7 1 postcode sector by using our free interactive map.