Home Postcodes by state VIC 3599 Postcode 3599 3599 is the postcode for Boundary Bend, VIC. Localities with postcode 3599Boundary BendVIC Postcode 3599 State or territory Victoria (VIC) Localities 1 Council area Swan Hill Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 3597 · Postcode 3607