highbury postcode sa Home ›› Postcode Finder ›› SA ›› Highbury Highbury local listingsThe suburb of Highbury is located in SA and has a postcode of 5089. Free highbury business listing! 1TONO ConstructionsKinnaird Cres, Highbury SA 5089, Australia 0433 138 365 View more business listings in highbury Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.