Calder is a village in West Yorkshire, England.
It is situated within the WF1 postcode district, which is within the Wakefield post town.
The full list of postcode districts within the Wakefield post town is as follows:
The Wakefield post town is within the Wakefield postcode area.
Administrative Ward: Normanton
Administrative District: Wakefield
Country: England
UK Parliament: Hemsworth
NHS Local Health Authority: Yorkshire and the Humber
NHS Region: North, Midlands and the East