withers postcode wa Home ›› Postcode Finder ›› WA ›› Withers Withers local listingsThe suburb of Withers is located in WA and has a postcode of 6230. Free withers business listing! 1Withers Primary School13 Westwood St 08 97957701 View more business listings in withers Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.