oonoonba postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Oonoonba Oonoonba local listingsThe suburb of Oonoonba is located in QLD and has a postcode of 4811. Free oonoonba business listing! 1Oonoonba State SchoolOonoonba Rd 07 47998333 View more business listings in oonoonba Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.