Home Postcodes by state SA 5202 Postcode 5202 5202 is the postcode for 3 localities in SA: Hindmarsh Tiers, Myponga and Myponga Beach. Localities with postcode 5202Hindmarsh TiersSAMypongaSAMyponga BeachSA Postcode 5202 State or territory South Australia (SA) Localities 3 Council area Victor Harbor; Yankalilla Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5201 · Postcode 5203