seacliff postcode sa Home ›› Postcode Finder ›› SA ›› Seacliff Seacliff local listingsThe suburb of Seacliff is located in SA and has a postcode of 5049. Free seacliff business listing! 1Music Eternal687A Brighton Road, Seacliff SA, Australia 04397371082Coastal Electrical Seacliff 04 0406 0933 3Seacliff Primary School1-3 Barwell Ave 08 82961950 View more business listings in seacliff Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.