Home Postcode finder QLD Wieambilla Wieambilla postcode QLD Wieambilla is a locality in Queensland covered by postcode 4413. Postcode 4413 State or territory Queensland (QLD) Region Toowoomba Region Add a free Wieambilla business listing Be the first listing in Wieambilla Common questionsWhat is the postcode for Wieambilla?Wieambilla, QLD has the postcode 4413.What state is Wieambilla in?Wieambilla is in Queensland (QLD).Does postcode 4413 cover more than one suburb?Yes. Postcode 4413 covers 10 localities, so the postcode alone does not identify Wieambilla. Browse other postcodes in Queensland, or widen the search to every Australian postcode.