koonwarra postcode vicch Home ›› Postcode Finder ›› VICCH ›› Koonwarra Koonwarra local listingsThe suburb of Koonwarra is located in VIC and has a postcode of 3954. Free koonwarra business listing! Get the first free listing in koonwarra! Search and find other Postcodes in Victoria or widen the search to Postcodes in Australia.