Home Postcode finder QLD Wheatvale Wheatvale postcode QLD Wheatvale is a locality in Queensland covered by postcode 4370. Postcode 4370 State or territory Queensland (QLD) Region Toowoomba Region Add a free Wheatvale business listing Be the first listing in Wheatvale Common questionsWhat is the postcode for Wheatvale?Wheatvale, QLD has the postcode 4370.What state is Wheatvale in?Wheatvale is in Queensland (QLD).Does postcode 4370 cover more than one suburb?Yes. Postcode 4370 covers 46 localities, so the postcode alone does not identify Wheatvale. Browse other postcodes in Queensland, or widen the search to every Australian postcode.