Home Postcodes by state WA 6726 Postcode 6726 6726 is the postcode for Cable Beach, WA. Localities with postcode 6726Cable BeachWA Postcode 6726 State or territory Western Australia (WA) Localities 1 Council area Broome Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6725 · Postcode 6728