Home Postcode finder VIC Myamyn Myamyn postcode VIC Myamyn is a locality in Victoria covered by postcode 3304. Postcode 3304 State or territory Victoria (VIC) Region Vic Far Country Add a free Myamyn business listing Be the first listing in Myamyn Common questionsWhat is the postcode for Myamyn?Myamyn, VIC has the postcode 3304.What state is Myamyn in?Myamyn is in Victoria (VIC).Does postcode 3304 cover more than one suburb?Yes. Postcode 3304 covers 12 localities, so the postcode alone does not identify Myamyn. Browse other postcodes in Victoria, or widen the search to every Australian postcode.