Home Postcode finder QLD Girraween Girraween postcode QLD Girraween is a locality in Queensland covered by postcode 4382. Postcode 4382 State or territory Queensland (QLD) Region Toowoomba Region Add a free Girraween business listing Be the first listing in Girraween Common questionsWhat is the postcode for Girraween?Girraween, QLD has the postcode 4382.What state is Girraween in?Girraween is in Queensland (QLD).Does postcode 4382 cover more than one suburb?Yes. Postcode 4382 covers 5 localities, so the postcode alone does not identify Girraween. Browse other postcodes in Queensland, or widen the search to every Australian postcode.