Home Postcodes by state SA 5214 Postcode 5214 5214 is the postcode for 8 localities in SA: Currency Creek, Goolwa, Goolwa Beach, Goolwa North, Goolwa South, Hindmarsh Island and 2 more. Localities with postcode 5214Currency CreekSAGoolwaSAGoolwa BeachSAGoolwa NorthSAGoolwa SouthSAHindmarsh IslandSAMosquito HillSAMundoo IslandSA Postcode 5214 State or territory South Australia (SA) Localities 8 Council area Alexandrina Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5213 · Postcode 5220