Home Postcode finder NSW Quirindi Quirindi postcode NSW Quirindi is a locality in New South Wales covered by postcode 2343. Postcode 2343 State or territory New South Wales (NSW) Region NSW North Coast Add a free Quirindi business listing More business listings in Quirindi Businesses in QuirindiQuirindi High School113 Hill St · 02 67461177Quirindi Public School20-30 Munro St · 02 67461565St Joseph's School18 Thomas St · 02 67461033 Common questionsWhat is the postcode for Quirindi?Quirindi, NSW has the postcode 2343.What state is Quirindi in?Quirindi is in New South Wales (NSW).Does postcode 2343 cover more than one suburb?Yes. Postcode 2343 covers 15 localities, so the postcode alone does not identify Quirindi. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.