hawker postcode sa Home ›› Postcode Finder ›› SA ›› Hawker Hawker local listingsThe suburb of Hawker is located in SA and has a postcode of 5434. Free hawker business listing! 1Hawker Area SchoolArkaba St 08 86484003 View more business listings in hawker Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.