binnu postcode wa Home ›› Postcode Finder ›› WA ›› Binnu Binnu local listingsThe suburb of Binnu is located in WA and has a postcode of 6532. Free binnu business listing! 1Binnu Primary SchoolC/o Post Office 08 99361017 View more business listings in binnu Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.