Flamstead is a village in Hertfordshire, England.
It is situated within the AL3 postcode district, which is within the St. Albans post town.
The full list of postcode districts within the St. Albans post town is as follows:
The St. Albans post town is within the St Albans postcode area.
Administrative Ward: Watling
Administrative District: Dacorum
Administrative County: Hertfordshire
Country: England
UK Parliament: Hemel Hempstead
NHS Local Health Authority: East of England
NHS Region: North, Midlands and the East