manypeaks postcode wa Home ›› Postcode Finder ›› WA ›› Manypeaks Manypeaks local listingsThe suburb of Manypeaks is located in WA and has a postcode of 6328. Free manypeaks business listing! 1Mt Manypeaks Primary School43731 South Coast Hwy 08 98461269 View more business listings in manypeaks Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.