Home Postcode finder QLD Alpha Alpha postcode QLD Alpha is a locality in Queensland covered by postcode 4724. Postcode 4724 State or territory Queensland (QLD) Region Central QLD Add a free Alpha business listing More business listings in Alpha Businesses in AlphaAlpha State School11 Milton St · 07 49870888 Common questionsWhat is the postcode for Alpha?Alpha, QLD has the postcode 4724.What state is Alpha in?Alpha is in Queensland (QLD).Does postcode 4724 cover more than one suburb?Yes. Postcode 4724 covers 8 localities, so the postcode alone does not identify Alpha. Browse other postcodes in Queensland, or widen the search to every Australian postcode.