Home Postcode finder VIC Buffalo River Buffalo River postcode VIC Buffalo River is a locality in Victoria covered by postcode 3737. Postcode 3737 State or territory Victoria (VIC) Region Vic Far Country Add a free Buffalo River business listing Be the first listing in Buffalo River Common questionsWhat is the postcode for Buffalo River?Buffalo River, VIC has the postcode 3737.What state is Buffalo River in?Buffalo River is in Victoria (VIC).Does postcode 3737 cover more than one suburb?Yes. Postcode 3737 covers 14 localities, so the postcode alone does not identify Buffalo River. Browse other postcodes in Victoria, or widen the search to every Australian postcode.