Home Postcode finder QLD Karrabin Karrabin postcode QLD Karrabin is a locality in Queensland covered by postcode 4306. Postcode 4306 State or territory Queensland (QLD) Region Western Suburbs Add a free Karrabin business listing More business listings in Karrabin Businesses in KarrabinWest Moreton Anglican CollegeKeswick Rd · 07 38134555 Common questionsWhat is the postcode for Karrabin?Karrabin, QLD has the postcode 4306.What state is Karrabin in?Karrabin is in Queensland (QLD).Does postcode 4306 cover more than one suburb?Yes. Postcode 4306 covers 56 localities, so the postcode alone does not identify Karrabin. Browse other postcodes in Queensland, or widen the search to every Australian postcode.