dumaresq-valley postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Dumaresq-Valley Dumaresq Valley local listingsThe suburb of Dumaresq Valley is located in NSW and has a postcode of 2372. Free dumaresq valley business listing! Get the first free listing in dumaresq valley! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.