Home Postcode finder WA Mahomets Flats Mahomets Flats postcode WA Mahomets Flats is a locality in Western Australia covered by postcode 6530. Postcode 6530 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Mahomets Flats business listing Be the first listing in Mahomets Flats Common questionsWhat is the postcode for Mahomets Flats?Mahomets Flats, WA has the postcode 6530.What state is Mahomets Flats in?Mahomets Flats is in Western Australia (WA).Does postcode 6530 cover more than one suburb?Yes. Postcode 6530 covers 22 localities, so the postcode alone does not identify Mahomets Flats. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.