Home Postcode finder QLD Townson Townson postcode QLD Townson is a locality in Queensland covered by postcode 4341. Postcode 4341 State or territory Queensland (QLD) Region Western Suburbs Add a free Townson business listing Be the first listing in Townson Common questionsWhat is the postcode for Townson?Townson, QLD has the postcode 4341.What state is Townson in?Townson is in Queensland (QLD).Does postcode 4341 cover more than one suburb?Yes. Postcode 4341 covers 16 localities, so the postcode alone does not identify Townson. Browse other postcodes in Queensland, or widen the search to every Australian postcode.