Home Postcode finder VIC Sassafras Gully Sassafras Gully postcode VIC Sassafras Gully is a locality in Victoria covered by postcode 3787. Postcode 3787 State or territory Victoria (VIC) Region Ferntree Gully Add a free Sassafras Gully business listing Be the first listing in Sassafras Gully Common questionsWhat is the postcode for Sassafras Gully?Sassafras Gully, VIC has the postcode 3787.What state is Sassafras Gully in?Sassafras Gully is in Victoria (VIC).Does postcode 3787 cover more than one suburb?Yes. Postcode 3787 covers 2 localities, so the postcode alone does not identify Sassafras Gully. Browse other postcodes in Victoria, or widen the search to every Australian postcode.