denman postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Denman Denman local listingsThe suburb of Denman is located in NSW and has a postcode of 2328. Free denman business listing! 1Denman Public School52 Paxton St 02 654724912Martindale Public School670 Martindale Rd via 02 654735023St Joseph's School80 Palace St 02 65472496 View more business listings in denman Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.