Home Postcode finder QLD Robertson Robertson postcode QLD Robertson is a locality in Queensland covered by postcode 4109. Postcode 4109 State or territory Queensland (QLD) Region Western Suburbs Add a free Robertson business listing More business listings in Robertson Businesses in RobertsonPets for LifeWoodsiana Street, Robertson QLD 4109, Australia · 0425380113Robertson State School650-688 Musgrave Rd · 07 34524111 Common questionsWhat is the postcode for Robertson?Robertson, QLD has the postcode 4109.What state is Robertson in?Robertson is in Queensland (QLD).Does postcode 4109 cover more than one suburb?Yes. Postcode 4109 covers 5 localities, so the postcode alone does not identify Robertson. Browse other postcodes in Queensland, or widen the search to every Australian postcode.