marleston postcode sa Home ›› Postcode Finder ›› SA ›› Marleston Marleston local listingsThe suburb of Marleston is located in SA and has a postcode of 5033. Free marleston business listing! 1Warriappendi Alternative School1 John St 08 829331372Southern Cross Cleaning Pty Ltd446 448 South Road 08829661003White Marquee264 Richmond Rd 0872310435 View more business listings in marleston Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.