Cleasby is a village in North Yorkshire, England.
It is situated within the DL2 postcode district, which is within the Darlington post town.
The full list of postcode districts within the Darlington post town is as follows:
The Darlington post town is within the Darlington postcode area.
Administrative Ward: Barton
Administrative District: Richmondshire
Administrative County: North Yorkshire
Country: England
UK Parliament: Richmond (Yorks)
NHS Local Health Authority: Yorkshire and the Humber
NHS Region: North, Midlands and the East