Home Postcode finder QLD Balcomba Balcomba postcode QLD Balcomba is a locality in Queensland covered by postcode 4702. Postcode 4702 State or territory Queensland (QLD) Region Central QLD Add a free Balcomba business listing Be the first listing in Balcomba Common questionsWhat is the postcode for Balcomba?Balcomba, QLD has the postcode 4702.What state is Balcomba in?Balcomba is in Queensland (QLD).Does postcode 4702 cover more than one suburb?Yes. Postcode 4702 covers 87 localities, so the postcode alone does not identify Balcomba. Browse other postcodes in Queensland, or widen the search to every Australian postcode.