dennington postcode vic Home ›› Postcode Finder ›› VIC ›› Dennington Dennington local listingsThe suburb of Dennington is located in VIC and has a postcode of 3280. Free dennington business listing! 1St John's School20 Tylden St 03 55625362 View more business listings in dennington Search and find other Postcodes in Victoria or widen the search to Postcodes in Australia.