tyalgum postcode nswst Home ›› Postcode Finder ›› NSWST ›› Tyalgum Tyalgum local listingsThe suburb of Tyalgum is located in NSW and has a postcode of 2484. Free tyalgum business listing! 1Tyalgum Public School1 Coolman St 02 66793300 View more business listings in tyalgum Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.