gawler-east postcode sa Home ›› Postcode Finder ›› SA ›› Gawler-East Gawler East local listingsThe suburb of Gawler East is located in SA and has a postcode of 5118. Free gawler east business listing! Get the first free listing in gawler east! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.