Home Postcode finder VIC Boomahnoomoonah Boomahnoomoonah postcode VIC Boomahnoomoonah is a locality in Victoria covered by postcode 3728. Postcode 3728 State or territory Victoria (VIC) Region Vic Far Country Add a free Boomahnoomoonah business listing Be the first listing in Boomahnoomoonah Common questionsWhat is the postcode for Boomahnoomoonah?Boomahnoomoonah, VIC has the postcode 3728.What state is Boomahnoomoonah in?Boomahnoomoonah is in Victoria (VIC).Does postcode 3728 cover more than one suburb?Yes. Postcode 3728 covers 4 localities, so the postcode alone does not identify Boomahnoomoonah. Browse other postcodes in Victoria, or widen the search to every Australian postcode.