Home Postcodes by state QLD Patrick Estate Patrick Estate postcode QLD Patrick Estate is a locality in Queensland covered by postcode 4311. Postcode 4311 State or territory Queensland (QLD) Region Western Suburbs Add a free Patrick Estate business listing Be the first listing in Patrick Estate Common questionsWhat is the postcode for Patrick Estate?Patrick Estate, QLD has the postcode 4311.What state is Patrick Estate in?Patrick Estate is in Queensland (QLD).Does postcode 4311 cover more than one suburb?Yes. Postcode 4311 covers 17 localities, so the postcode alone does not identify Patrick Estate. Browse other postcodes in Queensland, or widen the search to every Australian postcode.