Southfleet is a village in Kent, England.
It is situated within the DA13 postcode district, which is within the Gravesend post town.
The full list of postcode districts within the Gravesend post town is as follows:
The Gravesend post town is within the Dartford postcode area.
Administrative Ward: Longfield, New Barn and Southfleet
Administrative District: Dartford
Administrative County: Kent
Country: England
UK Parliament: Dartford
NHS Local Health Authority: South East Coast
NHS Region: Southern