Home Postcode finder QLD Yeppoon Yeppoon postcode QLD Yeppoon is a locality in Queensland covered by postcode 4703. Postcode 4703 State or territory Queensland (QLD) Region Central QLD Add a free Yeppoon business listing More business listings in Yeppoon Businesses in YeppoonSacred Heart Primary School14 Barracuda St · 07 49336288St Brendan's CollegeAdelaide Park Rd Marys Mt · 07 49399300St Ursula's CollegeQueen St · 07 49399600 Common questionsWhat is the postcode for Yeppoon?Yeppoon, QLD has the postcode 4703.What state is Yeppoon in?Yeppoon 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 Yeppoon. Browse other postcodes in Queensland, or widen the search to every Australian postcode.