Home Postcode finder QLD Birnam Birnam postcode QLD Birnam is a locality in Queensland covered by postcode 4352. Postcode 4352 State or territory Queensland (QLD) Region Toowoomba Region Add a free Birnam business listing More business listings in Birnam Businesses in BirnamAustralian Name Badge3242 Beaudesert Beenleigh Road, Birnam QLD, Australia · 0493703705Kinbrook Custom Domes3242 Beaudesert Beenleigh Road, Birnam QLD, Australia · 0491008359 Common questionsWhat is the postcode for Birnam?Birnam, QLD has the postcode 4352.What state is Birnam in?Birnam is in Queensland (QLD).Does postcode 4352 cover more than one suburb?Yes. Postcode 4352 covers 71 localities, so the postcode alone does not identify Birnam. Browse other postcodes in Queensland, or widen the search to every Australian postcode.