Home Postcodes by state QLD Rosewood Rosewood postcode QLD Rosewood is a locality in Queensland covered by postcode 4340. Postcode 4340 State or territory Queensland (QLD) Region Western Suburbs Add a free Rosewood business listing More business listings in Rosewood Businesses in RosewoodAshwell State SchoolReinke Rd · 07 54641184Rosewood State High School46 Lanefield Rd · 07 54619400Rosewood State SchoolSchool St · 07 54619333 Common questionsWhat is the postcode for Rosewood?Rosewood, QLD has the postcode 4340.What state is Rosewood in?Rosewood is in Queensland (QLD).Does postcode 4340 cover more than one suburb?Yes. Postcode 4340 covers 18 localities, so the postcode alone does not identify Rosewood. Browse other postcodes in Queensland, or widen the search to every Australian postcode.