quirindi postcode nswst Home ›› Postcode Finder ›› NSWST ›› Quirindi Quirindi local listingsThe suburb of Quirindi is located in NSW and has a postcode of 2343. Free quirindi business listing! 1Quirindi High School113 Hill St 02 674611772Quirindi Public School20-30 Munro St 02 674615653St Joseph's School18 Thomas St 02 67461033 View more business listings in quirindi Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.