Acaster Selby is a village in North Yorkshire, England.
It is situated within the YO23 postcode district, which is within the York post town.
The full list of postcode districts within the York post town is as follows:
The York post town is within the York postcode area.
Administrative Ward: Appleton Roebuck
Administrative District: Selby
Administrative County: North Yorkshire
Country: England
UK Parliament: Selby and Ainsty
NHS Local Health Authority: Yorkshire and the Humber
NHS Region: North, Midlands and the East