Home Postcode finder QLD Cobraball Cobraball postcode QLD Cobraball is a locality in Queensland covered by postcode 4703. Postcode 4703 State or territory Queensland (QLD) Region Central QLD Add a free Cobraball business listing Be the first listing in Cobraball Common questionsWhat is the postcode for Cobraball?Cobraball, QLD has the postcode 4703.What state is Cobraball in?Cobraball is in Queensland (QLD).Does postcode 4703 cover more than one suburb?Yes. Postcode 4703 covers 30 localities, so the postcode alone does not identify Cobraball. Browse other postcodes in Queensland, or widen the search to every Australian postcode.