injinoo postcode qld Home ›› Postcode Finder ›› QLD ›› Injinoo Injinoo local listingsThe suburb of Injinoo is located in QLD and has a postcode of 4876. Free injinoo business listing! 1Northern Peninsula Area State CollegeFrancis St 07 40693131 View more business listings in injinoo Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.