Home Postcodes by state SA 5222 Postcode 5222 5222 is the postcode for 17 localities in SA: American Beach, Antechamber Bay, Baudin Beach, Brown Beach, Cuttlefish Bay, Dudley East and 11 more. Localities with postcode 5222American BeachSAAntechamber BaySABaudin BeachSABrown BeachSACuttlefish BaySADudley EastSADudley WestSAHungerfordSAIronstoneSAIsland BeachSAKangaroo HeadSAPelican LagoonSAPenneshawSAPorky FlatSASapphiretownSAWilloughbySAWillson RiverSA Postcode 5222 State or territory South Australia (SA) Localities 17 Council area Kangaroo Island Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5221 · Postcode 5223