Sewell is a village in Bedfordshire, England.
It is situated within the LU6 postcode district, which is within the Dunstable post town.
The full list of postcode districts within the Dunstable post town is as follows:
The Dunstable post town is within the Luton postcode area.
Administrative Ward: Houghton Hall
Administrative District: Central Bedfordshire
Country: England
UK Parliament: South West Bedfordshire
NHS Local Health Authority: East of England
NHS Region: North, Midlands and the East