Home Postcodes by state WA 6463 Postcode 6463 6463 is the postcode for Benjaberring, WA. Localities with postcode 6463BenjaberringWA Postcode 6463 State or territory Western Australia (WA) Localities 1 Council area Wyalkatchem Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6462 · Postcode 6465