Home Postcode finder VIC Cannons Creek Cannons Creek postcode VIC Cannons Creek is a locality in Victoria covered by postcode 3977. Postcode 3977 State or territory Victoria (VIC) Region Frankston Add a free Cannons Creek business listing Be the first listing in Cannons Creek Common questionsWhat is the postcode for Cannons Creek?Cannons Creek, VIC has the postcode 3977.What state is Cannons Creek in?Cannons Creek 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 Cannons Creek. Browse other postcodes in Victoria, or widen the search to every Australian postcode.