goolmangar postcode nswst Home ›› Postcode Finder ›› NSWST ›› Goolmangar Goolmangar local listingsThe suburb of Goolmangar is located in NSW and has a postcode of 2480. Free goolmangar business listing! 1Goolmangar Public School1301 Nimbin Rd 02 66899262 View more business listings in goolmangar Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.