warnbro postcode wa Home ›› Postcode Finder ›› WA ›› Warnbro Warnbro local listingsThe suburb of Warnbro is located in WA and has a postcode of 6169. Free warnbro business listing! 1Warnbro Community High School2 Swallowtail Pde 08 959340552Koorana Education Support Centre109 Coronata Drive 08 959340603Living Waters Lutheran School176 Currie St 08 95931211 View more business listings in warnbro Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.