geranium postcode sa Home ›› Postcode Finder ›› SA ›› Geranium Geranium local listingsThe suburb of Geranium is located in SA and has a postcode of 5301. Free geranium business listing! 1Geranium Primary School1-3 Geranium Terrace 08 85772277 View more business listings in geranium Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.