Northlea is a village in County Durham, England.
It is situated within the SR7 postcode district, which is within the Seaham post town.
SR7 is the only postcode district within the Seaham post town.
The Seaham post town is within the Sunderland postcode area.
Administrative Ward: Seaham
Administrative District: County Durham
Country: England
UK Parliament: Easington
NHS Local Health Authority: North East
NHS Region: North, Midlands and the East