deddick-valley postcode vic Home ›› Postcode Finder ›› VIC ›› Deddick-Valley Deddick Valley local listingsThe suburb of Deddick Valley is located in VIC and has a postcode of 3888. Free deddick valley business listing! Get the first free listing in deddick valley! Search and find other Postcodes in Victoria or widen the search to Postcodes in Australia.