mclaren-flat postcode sa Home ›› Postcode Finder ›› SA ›› Mclaren-Flat Mclaren Flat local listingsThe suburb of Mclaren Flat is located in SA and has a postcode of 5171. Free mclaren flat business listing! Get the first free listing in mclaren flat! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.