Home Postcodes by state SA 5302 Postcode 5302 5302 is the postcode for 2 localities in SA: Lameroo and Ngarkat. Localities with postcode 5302LamerooSANgarkatSA Postcode 5302 State or territory South Australia (SA) Localities 2 Council area Southern Mallee; Tatiara Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5301 · Postcode 5303