mundijong postcode wa Home ›› Postcode Finder ›› WA ›› Mundijong Mundijong local listingsThe suburb of Mundijong is located in WA and has a postcode of 6123. Free mundijong business listing! 1Serpentine Jarrahdale Grammar School1 Bishop Rd 08 994800002Mundijong Primary School16 Livesey St 08 95255118 View more business listings in mundijong Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.