Home Postcodes by state SA 5087 Postcode 5087 5087 is the postcode for 2 localities in SA: Klemzig and Windsor Gardens. Localities with postcode 5087KlemzigSAWindsor GardensSA Postcode 5087 State or territory South Australia (SA) Localities 2 Council area Port Adelaide Enfield Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5086 · Postcode 5088