mallala postcode sa Home ›› Postcode Finder ›› SA ›› Mallala Mallala local listingsThe suburb of Mallala is located in SA and has a postcode of 5502. Free mallala business listing! 1Mallala Primary School28 Owen Rd 08 85272240 View more business listings in mallala Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.