walloon postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Walloon Walloon local listingsThe suburb of Walloon is located in QLD and has a postcode of 4306. Free walloon business listing! 1Walloon State SchoolKarrabin-Rosewood Rd 07 546183332Ipswich Hot Water76 Rackley Rd 4314786313Walloon Dental Surgery2/11 Queen Street, Walloon QLD, Australia (07) 3067 7990 View more business listings in walloon Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.