blayney postcode nswst Home ›› Postcode Finder ›› NSWST ›› Blayney Blayney local listingsThe suburb of Blayney is located in NSW and has a postcode of 2799. Free blayney business listing! 1Blayney High SchoolWater St 02 636821002St Joseph's Central SchoolAdelaide St 02 636822433Blayney Public SchoolLindsay St 02 63682154 View more business listings in blayney Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.