humbug-scrub postcode sa Home ›› Postcode Finder ›› SA ›› Humbug-Scrub Humbug Scrub local listingsThe suburb of Humbug Scrub is located in SA and has a postcode of 5114. Free humbug scrub business listing! Get the first free listing in humbug scrub! Search and find other Postcodes in South Australia or widen the search to Postcodes in Australia.