st-helens-beach postcode qld Home ›› Postcode Finder ›› QLD ›› St-Helens-Beach St Helens Beach local listingsThe suburb of St Helens Beach is located in QLD and has a postcode of 4798. Free st helens beach business listing! Get the first free listing in st helens beach! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.