wagin postcode wa Home ›› Postcode Finder ›› WA ›› Wagin Wagin local listingsThe suburb of Wagin is located in WA and has a postcode of 6315. Free wagin business listing! 1Wagin District High School10 Ranford St 08 98611877 View more business listings in wagin Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.