Home Postcode finder QLD Kurumbul Kurumbul postcode QLD Kurumbul is a locality in Queensland covered by postcode 4388. Postcode 4388 State or territory Queensland (QLD) Region Toowoomba Region Add a free Kurumbul business listing Be the first listing in Kurumbul Common questionsWhat is the postcode for Kurumbul?Kurumbul, QLD has the postcode 4388.What state is Kurumbul in?Kurumbul is in Queensland (QLD).Does postcode 4388 cover more than one suburb?Yes. Postcode 4388 covers 2 localities, so the postcode alone does not identify Kurumbul. Browse other postcodes in Queensland, or widen the search to every Australian postcode.