Home Postcode finder QLD Upper Wheatvale Upper Wheatvale postcode QLD Upper Wheatvale is a locality in Queensland covered by postcode 4370. Postcode 4370 State or territory Queensland (QLD) Region Toowoomba Region Add a free Upper Wheatvale business listing Be the first listing in Upper Wheatvale Common questionsWhat is the postcode for Upper Wheatvale?Upper Wheatvale, QLD has the postcode 4370.What state is Upper Wheatvale in?Upper 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 Upper Wheatvale. Browse other postcodes in Queensland, or widen the search to every Australian postcode.