cadell-lagoon postcode sa Home ›› Postcode Finder ›› SA ›› Cadell-Lagoon Cadell Lagoon local listingsThe suburb of Cadell Lagoon is located in SA and has a postcode of 5321. Free cadell lagoon business listing! Get the first free listing in cadell lagoon! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.