Home Postcodes by state VIC 3942 Postcode 3942 3942 is the postcode for Blairgowrie, VIC. Localities with postcode 3942BlairgowrieVIC Postcode 3942 State or territory Victoria (VIC) Localities 1 Council area Mornington Peninsula Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3941 · Postcode 3943