dumbalk-north postcode vic Home ›› Postcode Finder ›› VIC ›› Dumbalk-North Dumbalk North local listingsThe suburb of Dumbalk North is located in VIC and has a postcode of 3956. Free dumbalk north business listing! Get the first free listing in dumbalk north! Search and find other Postcodes in Victoria or widen the search to Postcodes in Australia.