Castle Carlton is a village in Lincolnshire, England.
It is situated within the LN11 postcode district, which is within the Louth post town.
LN11 is the only postcode district within the Louth post town.
The Louth post town is within the Lincoln postcode area.
Administrative Ward: Withern with Stain
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