Home Postcode finder NSW Emerton Emerton postcode NSW Emerton is a locality in New South Wales covered by postcode 2770. Postcode 2770 State or territory New South Wales (NSW) Region Nepean Add a free Emerton business listing More business listings in Emerton Businesses in EmertonHoly Family Primary SchoolWeber Crescent · 02 96289232 Common questionsWhat is the postcode for Emerton?Emerton, NSW has the postcode 2770.What state is Emerton in?Emerton is in New South Wales (NSW).Does postcode 2770 cover more than one suburb?Yes. Postcode 2770 covers 13 localities, so the postcode alone does not identify Emerton. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.