marlo-merrican postcode nswst Home ›› Postcode Finder ›› NSWST ›› Marlo-Merrican Marlo Merrican local listingsThe suburb of Marlo Merrican is located in NSW and has a postcode of 2446. Free marlo merrican business listing! Get the first free listing in marlo merrican! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.