waikiki postcode wa Home ›› Postcode Finder ›› WA ›› Waikiki Waikiki local listingsThe suburb of Waikiki is located in WA and has a postcode of 6169. Free waikiki business listing! 1Maranatha Christian CollegeLot 2 Gnangara Drive 08 952828382Waikiki Primary School19 Lonsdale Crescent 08 959371773Charthouse Primary School43 Rand Ave 08 95923322 View more business listings in waikiki Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.