Home Postcode finder QLD Grahams Creek Grahams Creek postcode QLD Grahams Creek is a locality in Queensland covered by postcode 4650. Postcode 4650 State or territory Queensland (QLD) Region Sunshine Coast Add a free Grahams Creek business listing Be the first listing in Grahams Creek Common questionsWhat is the postcode for Grahams Creek?Grahams Creek, QLD has the postcode 4650.What state is Grahams Creek in?Grahams Creek is in Queensland (QLD).Does postcode 4650 cover more than one suburb?Yes. Postcode 4650 covers 48 localities, so the postcode alone does not identify Grahams Creek. Browse other postcodes in Queensland, or widen the search to every Australian postcode.