Home Postcode finder QLD Alsace Alsace postcode QLD Alsace is a locality in Queensland covered by postcode 4702. Postcode 4702 State or territory Queensland (QLD) Region Central QLD Add a free Alsace business listing Be the first listing in Alsace Common questionsWhat is the postcode for Alsace?Alsace, QLD has the postcode 4702.What state is Alsace in?Alsace is in Queensland (QLD).Does postcode 4702 cover more than one suburb?Yes. Postcode 4702 covers 87 localities, so the postcode alone does not identify Alsace. Browse other postcodes in Queensland, or widen the search to every Australian postcode.