Home Postcode finder QLD Mosman Park Mosman Park postcode QLD Mosman Park is a locality in Queensland covered by postcode 4820. Postcode 4820 State or territory Queensland (QLD) Region North QLD Add a free Mosman Park business listing More business listings in Mosman Park Businesses in Mosman ParkCattle Yard Design9 Stockholm Rd, Mosman Park Charters Towers, QLD, Australia · 61428 874 311 Common questionsWhat is the postcode for Mosman Park?Mosman Park, QLD has the postcode 4820.What state is Mosman Park in?Mosman Park is in Queensland (QLD).Does postcode 4820 cover more than one suburb?Yes. Postcode 4820 covers 21 localities, so the postcode alone does not identify Mosman Park. Browse other postcodes in Queensland, or widen the search to every Australian postcode.