Home Postcode finder QLD Glenaubyn Glenaubyn postcode QLD Glenaubyn is a locality in Queensland covered by postcode 4424. Postcode 4424 State or territory Queensland (QLD) Region Toowoomba Region Add a free Glenaubyn business listing Be the first listing in Glenaubyn Common questionsWhat is the postcode for Glenaubyn?Glenaubyn, QLD has the postcode 4424.What state is Glenaubyn in?Glenaubyn is in Queensland (QLD).Does postcode 4424 cover more than one suburb?Yes. Postcode 4424 covers 3 localities, so the postcode alone does not identify Glenaubyn. Browse other postcodes in Queensland, or widen the search to every Australian postcode.