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