wolumla postcode nswst Home ›› Postcode Finder ›› NSWST ›› Wolumla Wolumla local listingsThe suburb of Wolumla is located in NSW and has a postcode of 2550. Free wolumla business listing! 1Wolumla Public SchoolPrinces Hwy 02 64949226 View more business listings in wolumla Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.