rossmoyne postcode wa Home ›› Postcode Finder ›› WA ›› Rossmoyne Rossmoyne local listingsThe suburb of Rossmoyne is located in WA and has a postcode of 6148. Free rossmoyne business listing! 1Rossmoyne Senior High School1 Keith Rd 08 925921002Rossmoyne Primary School90 Second Ave 08 935442903Perth Marketing Solution7 Fourth Avenue 0413 558 538 View more business listings in rossmoyne Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.