Home Postcodes by state SA 5411 Postcode 5411 5411 is the postcode for 2 localities in SA: Giles Corner and Tarlee. Localities with postcode 5411Giles CornerSATarleeSA Postcode 5411 State or territory South Australia (SA) Localities 2 Council area Clare and Gilbert Valleys Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5410 · Postcode 5412