Home Postcode finder QLD Stamford Stamford postcode QLD Stamford is a locality in Queensland covered by postcode 4821. Postcode 4821 State or territory Queensland (QLD) Region North QLD Add a free Stamford business listing Be the first listing in Stamford Common questionsWhat is the postcode for Stamford?Stamford, QLD has the postcode 4821.What state is Stamford in?Stamford is in Queensland (QLD).Does postcode 4821 cover more than one suburb?Yes. Postcode 4821 covers 5 localities, so the postcode alone does not identify Stamford. Browse other postcodes in Queensland, or widen the search to every Australian postcode.