larnook postcode nswst Home ›› Postcode Finder ›› NSWST ›› Larnook Larnook local listingsThe suburb of Larnook is located in NSW and has a postcode of 2480. Free larnook business listing! 1Larnook Public SchoolKyogle Rd 02 66880133 View more business listings in larnook Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.