Haltham is a village in Lincolnshire, England.
It is situated within the LN9 postcode district, which is within the Horncastle post town.
LN9 is the only postcode district within the Horncastle post town.
The Horncastle post town is within the Lincoln postcode area.
Administrative Ward: Roughton
Administrative District: East Lindsey
Administrative County: Lincolnshire
Country: England
UK Parliament: Louth and Horncastle
NHS Local Health Authority: East Midlands
NHS Region: North, Midlands and the East