Home Postcode finder QLD Milford Milford postcode QLD Milford is a locality in Queensland covered by postcode 4310. Postcode 4310 State or territory Queensland (QLD) Region Western Suburbs Add a free Milford business listing Be the first listing in Milford Common questionsWhat is the postcode for Milford?Milford, QLD has the postcode 4310.What state is Milford in?Milford is in Queensland (QLD).Does postcode 4310 cover more than one suburb?Yes. Postcode 4310 covers 26 localities, so the postcode alone does not identify Milford. Browse other postcodes in Queensland, or widen the search to every Australian postcode.