watervale postcode sa Home ›› Postcode Finder ›› SA ›› Watervale Watervale local listingsThe suburb of Watervale is located in SA and has a postcode of 5452. Free watervale business listing! 1Watervale Primary SchoolMain North Rd 08 884301862Trelawney Wines1 Leasingham Road Watervale (08) 8843 0091 View more business listings in watervale Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.