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