melville postcode wa Home ›› Postcode Finder ›› WA ›› Melville Melville local listingsThe suburb of Melville is located in WA and has a postcode of 6156. Free melville business listing! 1Melville Senior High School18 Potts St 08 933003002Melville Primary School72 Kitchener Rd 08 933022553Allcredit Pty LimitedLevel 2 176 Leach Highway 1300550112 View more business listings in melville Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.