osbornes-flat postcode vic Home ›› Postcode Finder ›› VIC ›› Osbornes-Flat Osbornes Flat local listingsThe suburb of Osbornes Flat is located in VIC and has a postcode of 3691. Free osbornes flat business listing! Get the first free listing in osbornes flat! Search and find other Postcodes in Victoria or widen the search to Postcodes in Australia.