firle postcode sa Home ›› Postcode Finder ›› SA ›› Firle Firle local listingsThe suburb of Firle is located in SA and has a postcode of 5070. Free firle business listing! 1mycar Tyre & Auto FirleFirle Plaza Enter off Margaret Street, (opposite Dunkley Avenue), Firle SA, Australia (08) 8198 8211 View more business listings in firle Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.