wilcannia postcode nsw Home ›› Postcode Finder ›› NSW ›› Wilcannia Wilcannia local listingsThe suburb of Wilcannia is located in NSW and has a postcode of 2836. Free wilcannia business listing! 1Wilcannia Central SchoolHood St 08 809158012St Therese's Community Primary SchoolLot 3711 Warrali Ave 08 80915933 View more business listings in wilcannia Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.