Threekingham is a village in Lincolnshire, England.
It is situated within the NG34 postcode district, which is within the Sleaford post town.
NG34 is the only postcode district within the Sleaford post town.
The Sleaford post town is within the Nottingham postcode area.
Administrative Ward: Osbournby
Administrative District: North Kesteven
Administrative County: Lincolnshire
Country: England
UK Parliament: Sleaford and North Hykeham
NHS Local Health Authority: East Midlands
NHS Region: North, Midlands and the East