Home Postcode finder VIC Sandhurst Sandhurst postcode VIC Sandhurst is a locality in Victoria covered by postcode 3977. Postcode 3977 State or territory Victoria (VIC) Region Frankston Add a free Sandhurst business listing Be the first listing in Sandhurst Common questionsWhat is the postcode for Sandhurst?Sandhurst, VIC has the postcode 3977.What state is Sandhurst in?Sandhurst is in Victoria (VIC).Does postcode 3977 cover more than one suburb?Yes. Postcode 3977 covers 11 localities, so the postcode alone does not identify Sandhurst. Browse other postcodes in Victoria, or widen the search to every Australian postcode.