Home Postcode finder QLD Mountain Camp Mountain Camp postcode QLD Mountain Camp is a locality in Queensland covered by postcode 4355. Postcode 4355 State or territory Queensland (QLD) Region Toowoomba Region Add a free Mountain Camp business listing Be the first listing in Mountain Camp Common questionsWhat is the postcode for Mountain Camp?Mountain Camp, QLD has the postcode 4355.What state is Mountain Camp in?Mountain Camp is in Queensland (QLD).Does postcode 4355 cover more than one suburb?Yes. Postcode 4355 covers 12 localities, so the postcode alone does not identify Mountain Camp. Browse other postcodes in Queensland, or widen the search to every Australian postcode.