Home Postcode finder QLD Injinoo Injinoo postcode QLD Injinoo is a locality in Queensland covered by postcode 4876. Postcode 4876 State or territory Queensland (QLD) Region North QLD Add a free Injinoo business listing More business listings in Injinoo Businesses in InjinooNorthern Peninsula Area State CollegeFrancis St · 07 40693131 Common questionsWhat is the postcode for Injinoo?Injinoo, QLD has the postcode 4876.What state is Injinoo in?Injinoo is in Queensland (QLD).Does postcode 4876 cover more than one suburb?Yes. Postcode 4876 covers 5 localities, so the postcode alone does not identify Injinoo. Browse other postcodes in Queensland, or widen the search to every Australian postcode.