Hackney is a village in Derbyshire, England.
It is situated within the DE4 postcode district, which is within the Matlock post town.
DE4 is the only postcode district within the Matlock post town.
The Matlock post town is within the Derby postcode area.
Administrative Ward: Darley Dale
Administrative District: Derbyshire Dales
Administrative County: Derbyshire
Country: England
UK Parliament: Derbyshire Dales
NHS Local Health Authority: East Midlands
NHS Region: North, Midlands and the East