koonoomoo postcode vicch Home ›› Postcode Finder ›› VICCH ›› Koonoomoo Koonoomoo local listingsThe suburb of Koonoomoo is located in VIC and has a postcode of 3644. Free koonoomoo business listing! Get the first free listing in koonoomoo! Search and find other Postcodes in Victoria or widen the search to Postcodes in Australia.