sinnamon-park postcode qld Home ›› Postcode Finder ›› QLD ›› Sinnamon-Park Sinnamon Park local listingsThe suburb of Sinnamon Park is located in QLD and has a postcode of 4073. Free sinnamon park business listing! Get the first free listing in sinnamon park! Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.