mcmahons-creek postcode vic Home ›› Postcode Finder ›› VIC ›› Mcmahons-Creek Mcmahons Creek local listingsThe suburb of Mcmahons Creek is located in VIC and has a postcode of 3799. Free mcmahons creek business listing! Get the first free listing in mcmahons creek! Search and find other Postcodes in Victoria or widen the search to Postcodes in Australia.