Home Postcode finder QLD Watsons Crossing Watsons Crossing postcode QLD Watsons Crossing is a locality in Queensland covered by postcode 4385. Postcode 4385 State or territory Queensland (QLD) Region Toowoomba Region Add a free Watsons Crossing business listing Be the first listing in Watsons Crossing Common questionsWhat is the postcode for Watsons Crossing?Watsons Crossing, QLD has the postcode 4385.What state is Watsons Crossing in?Watsons Crossing is in Queensland (QLD).Does postcode 4385 cover more than one suburb?Yes. Postcode 4385 covers 10 localities, so the postcode alone does not identify Watsons Crossing. It also appears in 2 states or territories, so it does not identify a state either. Browse other postcodes in Queensland, or widen the search to every Australian postcode.