miriwinni postcode qld Home ›› Postcode Finder ›› QLD ›› Miriwinni Miriwinni local listingsThe suburb of Miriwinni is located in QLD and has a postcode of 4871. Free miriwinni business listing! 1Miriwinni State School3 Whitman St 07 40676183 View more business listings in miriwinni Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.