Home Postcode finder QLD Walkerston Walkerston postcode QLD Walkerston is a locality in Queensland covered by postcode 4751. Postcode 4751 State or territory Queensland (QLD) Region Central QLD Add a free Walkerston business listing More business listings in Walkerston Businesses in WalkerstonSt John's Catholic School23 Creek St · 07 49592445Walkerston State School1a Dutton St · 07 49592220 Common questionsWhat is the postcode for Walkerston?Walkerston, QLD has the postcode 4751.What state is Walkerston in?Walkerston is in Queensland (QLD).Does postcode 4751 cover more than one suburb?Yes. Postcode 4751 covers 4 localities, so the postcode alone does not identify Walkerston. Browse other postcodes in Queensland, or widen the search to every Australian postcode.