Hartley is a village in Northumberland, England.
It is situated within the NE26 postcode district, which is within the Whitley Bay post town.
The full list of postcode districts within the Whitley Bay post town is as follows:
The Whitley Bay post town is within the Newcastle upon Tyne postcode area.
Administrative Ward: Hartley
Administrative District: Northumberland
Country: England
UK Parliament: Blyth Valley
NHS Local Health Authority: North East
NHS Region: North, Midlands and the East