Home Postcodes by state WA 6311 Postcode 6311 6311 is the postcode for 8 localities in WA: Commodine, Contine, Cuballing, Dryandra, Lol Gray, Townsendale and 2 more. Localities with postcode 6311CommodineWAContineWACuballingWADryandraWALol GrayWATownsendaleWAWarderingWAYornaningWA Postcode 6311 State or territory Western Australia (WA) Localities 8 Council area Cuballing Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6309 · Postcode 6312