deagon postcode qld Home ›› Postcode Finder ›› QLD ›› Deagon Deagon local listingsThe suburb of Deagon is located in QLD and has a postcode of 4017. Free deagon business listing! 1Sandgate District State High School41 Braun St 07 38699888 View more business listings in deagon Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.