ongerup postcode wa Home ›› Postcode Finder ›› WA ›› Ongerup Ongerup local listingsThe suburb of Ongerup is located in WA and has a postcode of 6336. Free ongerup business listing! 1Ongerup Primary SchoolCarpenter St 08 98282033 View more business listings in ongerup Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.