Home Postcodes by state WA 6507 Postcode 6507 6507 is the postcode for 6 localities in WA: Cataby, Cooljarloo, Dandaragan, Mimegarra, Regans Ford and Yathroo. Localities with postcode 6507CatabyWACooljarlooWADandaraganWAMimegarraWARegans FordWAYathrooWA Postcode 6507 State or territory Western Australia (WA) Localities 6 Council area Dandaragan Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6506 · Postcode 6509