avondale postcode qld Home ›› Postcode Finder ›› QLD ›› Avondale Avondale local listingsThe suburb of Avondale is located in QLD and has a postcode of 4670. Free avondale business listing! 1Avondale State School371 Avondale Rd 07 41561202 View more business listings in avondale Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.