Home Postcode finder QLD Bald Knob Bald Knob postcode QLD Bald Knob is a locality in Queensland covered by postcode 4552. Postcode 4552 State or territory Queensland (QLD) Region Sunshine Coast Add a free Bald Knob business listing Be the first listing in Bald Knob Common questionsWhat is the postcode for Bald Knob?Bald Knob, QLD has the postcode 4552.What state is Bald Knob in?Bald Knob is in Queensland (QLD).Does postcode 4552 cover more than one suburb?Yes. Postcode 4552 covers 14 localities, so the postcode alone does not identify Bald Knob. Browse other postcodes in Queensland, or widen the search to every Australian postcode.