eudunda postcode sa Home ›› Postcode Finder ›› SA ›› Eudunda Eudunda local listingsThe suburb of Eudunda is located in SA and has a postcode of 5374. Free eudunda business listing! 1Eudunda Area SchoolMorgan Rd 08 858115002St John's Lutheran Primary School8 Ward St 08 85811282 View more business listings in eudunda Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.