seacliff-park postcode sa Home ›› Postcode Finder ›› SA ›› Seacliff-Park Seacliff Park local listingsThe suburb of Seacliff Park is located in SA and has a postcode of 5049. Free seacliff park business listing! Get the first free listing in seacliff park! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.