Postcode 4858 This postcode covers more than one locality. Which one are you after? Comoon Loop Queensland LGA: Cassowary Coast Etty Bay Queensland LGA: Cassowary Coast Martyville Queensland LGA: Cassowary Coast Mourilyan Queensland LGA: Cassowary Coast Mourilyan Harbour Queensland LGA: Cassowary Coast New Harbourline Queensland LGA: Cassowary Coast