brunswick postcode wa Home ›› Postcode Finder ›› WA ›› Brunswick Brunswick local listingsThe suburb of Brunswick is located in WA and has a postcode of 6224. Free brunswick business listing! 1St Michael's Primary School13-15 Sommers Rd 08 97261317 View more business listings in brunswick Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.