AL 6

Welwyn, also known as Old Welwyn, is a village situated in Hertfordshire, just north of the more modern Welwyn Garden City.

Ayot St. Lawrence is a small village in Hertfordshire, located just two miles west of Welwyn. It offers a quiet rural setting within easy reach of a larger town.

Ayot St. Peter is a small village in Hertfordshire, situated just a few miles from the town of Welwyn.

Welwyn Garden City is a town in Hertfordshire, 20 miles north of London, known for its garden city heritage and planned community design.

Rabley Heath is a small hamlet within the parish of Codicote, situated in the AL6 postcode district of Hertfordshire.

Tewin is a village and civil parish in Hertfordshire, England, situated between Welwyn Garden City, Stevenage, Welwyn and Hertford. It is within commuting distance of London, with trains taking under 30 minutes from Welwyn North station to Central London.