wudinna postcode sa Home ›› Postcode Finder ›› SA ›› Wudinna Wudinna local listingsThe suburb of Wudinna is located in SA and has a postcode of 5652. Free wudinna business listing! 1Wudinna Area SchoolMedley Terrace 08 86802263 View more business listings in wudinna Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.