balhannah postcode sa Home ›› Postcode Finder ›› SA ›› Balhannah Balhannah local listingsThe suburb of Balhannah is located in SA and has a postcode of 5242. Free balhannah business listing! 1Adelaide Hills Country Cottages229 Oakwood Road +61 8 8388 4193 View more business listings in balhannah Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.