Ouston is a village in County Durham, England.
It is situated within the DH2 postcode district, which is within the Chester le Street post town.
The full list of postcode districts within the Chester le Street post town is as follows:
The Chester le Street post town is within the Durham postcode area.
Administrative Ward: Ouston and Urpeth
Administrative District: County Durham
Country: England
UK Parliament: North Durham
NHS Local Health Authority: North East
NHS Region: North, Midlands and the East