Rousdon is a village in Devon, England.
It is situated within the DT7 postcode district, which is within the Lyme Regis post town.
DT7 is the only postcode district within the Lyme Regis post town.
The Lyme Regis post town is within the Dorchester postcode area.
Administrative Ward: Trinity
Administrative District: East Devon
Administrative County: Devon
Country: England
UK Parliament: Tiverton and Honiton
NHS Local Health Authority: South West
NHS Region: Southern