Home Postcodes by state SA 5038 Postcode 5038 5038 is the postcode for 4 localities in SA: Camden Park, Plympton, Plympton Park and South Plympton. Localities with postcode 5038Camden ParkSAPlymptonSAPlympton ParkSASouth PlymptonSA Postcode 5038 State or territory South Australia (SA) Localities 4 Council area West Torrens; Marion Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5037 · Postcode 5039