Home Postcodes by state VIC 3760 Postcode 3760 3760 is the postcode for Smiths Gully, VIC. Localities with postcode 3760Smiths GullyVIC Postcode 3760 State or territory Victoria (VIC) Localities 1 Council area Nillumbik Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3759 · Postcode 3761