Home Postcodes by state SA 5322 Postcode 5322 5322 is the postcode for 5 localities in SA: Golden Heights, Qualco, Ramco, Ramco Heights and Sunlands. Localities with postcode 5322Golden HeightsSAQualcoSARamcoSARamco HeightsSASunlandsSA Postcode 5322 State or territory South Australia (SA) Localities 5 Council area Loxton Waikerie Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5321 · Postcode 5330