ceduna postcode sa Home ›› Postcode Finder ›› SA ›› Ceduna Ceduna local listingsThe suburb of Ceduna is located in SA and has a postcode of 5690. Free ceduna business listing! 1Ceduna Area SchoolMay Crescent 08 862520302Koonibba Aboriginal SchoolKoonibba Via 08 862500063Crossways Lutheran School4 Smith Rd 08 86252873 View more business listings in ceduna Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.