Home Postcodes by state VIC 3988 Postcode 3988 3988 is the postcode for 4 localities in VIC: Mountain View, Poowong, Poowong East and Poowong North. Localities with postcode 3988Mountain ViewVICPoowongVICPoowong EastVICPoowong NorthVIC Postcode 3988 State or territory Victoria (VIC) Localities 4 Council area Baw Baw; South Gippsland; Mainly South Gippsland, partly Baw Baw Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3987 · Postcode 3990