West Harlsey is a village in North Yorkshire, England.
It is situated within the DL6 postcode district, which is within the Northallerton post town.
The full list of postcode districts within the Northallerton post town is as follows:
The Northallerton post town is within the Darlington postcode area.
Administrative Ward: Osmotherley
Administrative District: Hambleton
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