Home Postcode finder NSW Wolumla Wolumla postcode NSW Wolumla is a locality in New South Wales covered by postcode 2550. Postcode 2550 State or territory New South Wales (NSW) Region NSW Country West Add a free Wolumla business listing More business listings in Wolumla Businesses in WolumlaWolumla Public SchoolPrinces Hwy · 02 64949226 Common questionsWhat is the postcode for Wolumla?Wolumla, NSW has the postcode 2550.What state is Wolumla in?Wolumla is in New South Wales (NSW).Does postcode 2550 cover more than one suburb?Yes. Postcode 2550 covers 52 localities, so the postcode alone does not identify Wolumla. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.