serpentine postcode wa Home ›› Postcode Finder ›› WA ›› Serpentine Serpentine local listingsThe suburb of Serpentine is located in WA and has a postcode of 6125. Free serpentine business listing! 1Dobson Excavations78 Lewis Road 04 1475 53062Greenacres Turf GroupLot 503 Henderson Road 08 9525 88223Serpentine Primary School55 Lefroy St 08 95252257 View more business listings in serpentine Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.