rockingham postcode wa Home ›› Postcode Finder ›› WA ›› Rockingham Rockingham local listingsThe suburb of Rockingham is located in WA and has a postcode of 6168. Free rockingham business listing! 1Rockingham Senior High School15 Read St 08 952703002Kolbe Catholic College25 Dowling St 08 959215003Rockingham Beach Education Support CentreBay View St 08 95282912 View more business listings in rockingham Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.