Home Postcodes by state WA Salmon Gums Salmon Gums postcode WA Salmon Gums is a locality in Western Australia covered by postcode 6445. Postcode 6445 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Council area Esperance Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Salmon Gums business listing More business listings in Salmon Gums Businesses in Salmon GumsSalmon Gums Primary SchoolCnr Hicks And Mann Sts · 08 90785017 Also in postcode 6445North CascadeWA 6445 Common questionsWhat is the postcode for Salmon Gums?Salmon Gums, WA has the postcode 6445.What state is Salmon Gums in?Salmon Gums is in Western Australia (WA).What council is Salmon Gums in?Salmon Gums is in the Esperance local government area.Does postcode 6445 cover more than one suburb?Yes. Postcode 6445 covers 2 localities, so the postcode alone does not identify Salmon Gums. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.