Home Postcode finder QLD Guanaba Guanaba postcode QLD Guanaba is a locality in Queensland covered by postcode 4210. Postcode 4210 State or territory Queensland (QLD) Region Gold Coast Add a free Guanaba business listing More business listings in Guanaba Businesses in GuanabaStreetsmart Business School270 Birds rd Guanaba Queensland 4210 · 1300-881-671 Common questionsWhat is the postcode for Guanaba?Guanaba, QLD has the postcode 4210.What state is Guanaba in?Guanaba is in Queensland (QLD).Does postcode 4210 cover more than one suburb?Yes. Postcode 4210 covers 5 localities, so the postcode alone does not identify Guanaba. Browse other postcodes in Queensland, or widen the search to every Australian postcode.