Home Postcode finder QLD Federal Federal postcode QLD Federal is a locality in Queensland covered by postcode 4568. Postcode 4568 State or territory Queensland (QLD) Region Sunshine Coast Add a free Federal business listing Be the first listing in Federal Common questionsWhat is the postcode for Federal?Federal, QLD has the postcode 4568.What state is Federal in?Federal is in Queensland (QLD).Does postcode 4568 cover more than one suburb?Yes. Postcode 4568 covers 3 localities, so the postcode alone does not identify Federal. Browse other postcodes in Queensland, or widen the search to every Australian postcode.