Home Postcode finder QLD Deuchar Deuchar postcode QLD Deuchar is a locality in Queensland covered by postcode 4362. Postcode 4362 State or territory Queensland (QLD) Region Toowoomba Region Add a free Deuchar business listing Be the first listing in Deuchar Common questionsWhat is the postcode for Deuchar?Deuchar, QLD has the postcode 4362.What state is Deuchar in?Deuchar is in Queensland (QLD).Does postcode 4362 cover more than one suburb?Yes. Postcode 4362 covers 8 localities, so the postcode alone does not identify Deuchar. Browse other postcodes in Queensland, or widen the search to every Australian postcode.