Home Postcode finder QLD Susan River Susan River postcode QLD Susan River is a locality in Queensland covered by postcode 4655. Postcode 4655 State or territory Queensland (QLD) Region Sunshine Coast Add a free Susan River business listing Be the first listing in Susan River Common questionsWhat is the postcode for Susan River?Susan River, QLD has the postcode 4655.What state is Susan River in?Susan River is in Queensland (QLD).Does postcode 4655 cover more than one suburb?Yes. Postcode 4655 covers 25 localities, so the postcode alone does not identify Susan River. Browse other postcodes in Queensland, or widen the search to every Australian postcode.