queenstown postcode sa Home ›› Postcode Finder ›› SA ›› Queenstown Queenstown local listingsThe suburb of Queenstown is located in SA and has a postcode of 5014. Free queenstown business listing! 1Alberton Primary School14 Broad St 08 84471924 View more business listings in queenstown Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.