South Mimms is a village in Hertfordshire, England.
It is situated within the EN6 postcode district, which is within the Potters Bar post town.
EN6 is the only postcode district within the Potters Bar post town.
The Potters Bar post town is within the Enfield postcode area.
Administrative Ward: Shenley
Administrative District: Hertsmere
Administrative County: Hertfordshire
Country: England
UK Parliament: Hertsmere
NHS Local Health Authority: East of England
NHS Region: North, Midlands and the East