Home Postcode finder NSW Regentville Regentville postcode NSW Regentville is a locality in New South Wales covered by postcode 2745. Postcode 2745 State or territory New South Wales (NSW) Region Nepean Add a free Regentville business listing More business listings in Regentville Businesses in RegentvilleRegentville Public School28 School House Rd · 02 47331615Nepean Animal Hospital48-50 Mulgoa Rd · 0247333456 Common questionsWhat is the postcode for Regentville?Regentville, NSW has the postcode 2745.What state is Regentville in?Regentville is in New South Wales (NSW).Does postcode 2745 cover more than one suburb?Yes. Postcode 2745 covers 6 localities, so the postcode alone does not identify Regentville. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.