Home Postcode finder QLD Mount Mulligan Mount Mulligan postcode QLD Mount Mulligan is a locality in Queensland covered by postcode 4871. Postcode 4871 State or territory Queensland (QLD) Region North QLD Add a free Mount Mulligan business listing Be the first listing in Mount Mulligan Common questionsWhat is the postcode for Mount Mulligan?Mount Mulligan, QLD has the postcode 4871.What state is Mount Mulligan in?Mount Mulligan is in Queensland (QLD).Does postcode 4871 cover more than one suburb?Yes. Postcode 4871 covers 103 localities, so the postcode alone does not identify Mount Mulligan. Browse other postcodes in Queensland, or widen the search to every Australian postcode.