Home Postcodes by state VIC 3858 Postcode 3858 3858 is the postcode for 20 localities in VIC: Arbuckle, Billabong, Buragwonduc, Crookayan, Dawson, Denison and 14 more. Localities with postcode 3858ArbuckleVICBillabongVICBuragwonducVICCrookayanVICDawsonVICDenisonVICGillumVICGlenfallochVICGlenmaggieVICHeyfieldVICHowitt PlainsVICLicolaVICLicola NorthVICReynardVICSargoodVICSeatonVICTamborithaVICWinnindooVICWorrowingVICYangouraVIC Postcode 3858 State or territory Victoria (VIC) Localities 20 Council area Wellington; Mainly Wellington, partly Mansfield Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3857 · Postcode 3859