walloon postcode qld Home ›› Postcode Finder ›› QLD ›› Walloon Walloon local listingsThe suburb of Walloon is located in QLD and has a postcode of 4306. Free walloon business listing! 1Walloon Dental Surgery2/11 Queen Street, Walloon QLD, Australia (07) 3067 79902Walloon State SchoolKarrabin-Rosewood Rd 07 546183333Ipswich Hot Water76 Rackley Rd 431478631 View more business listings in walloon Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.