mullamuddy postcode nswst Home ›› Postcode Finder ›› NSWST ›› Mullamuddy Mullamuddy local listingsThe suburb of Mullamuddy is located in NSW and has a postcode of 2850. Free mullamuddy business listing! Get the first free listing in mullamuddy! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.