Home Postcode finder QLD Adavale Adavale postcode QLD Adavale is a locality in Queensland covered by postcode 4474. Postcode 4474 State or territory Queensland (QLD) Region Toowoomba Region Add a free Adavale business listing Be the first listing in Adavale Common questionsWhat is the postcode for Adavale?Adavale, QLD has the postcode 4474.What state is Adavale in?Adavale is in Queensland (QLD).Does postcode 4474 cover more than one suburb?No. Postcode 4474 covers Adavale only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Queensland, or widen the search to every Australian postcode.