Costock is a village in Nottinghamshire, England.
It is situated within the LE12 postcode district, which is within the Loughborough post town.
The full list of postcode districts within the Loughborough post town is as follows:
The Loughborough post town is within the Leicester postcode area.
Administrative Ward: Stanford
Administrative District: Rushcliffe
Administrative County: Nottinghamshire
Country: England
UK Parliament: Rushcliffe
NHS Local Health Authority: East Midlands
NHS Region: North, Midlands and the East