Home Postcodes by state QLD 4674 Postcode 4674 4674 is the postcode for 9 localities in QLD: Baffle Creek, Berajondo, Deepwater, Euleilah, Mount Maria, Oyster Creek and 3 more. Localities with postcode 4674Baffle CreekQLDBerajondoQLDDeepwaterQLDEuleilahQLDMount MariaQLDOyster CreekQLDRosedaleQLDRules BeachQLDTauntonQLD Postcode 4674 State or territory Queensland (QLD) Localities 9 Council area Gladstone Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 4673 · Postcode 4676