karangi postcode nswst Home ›› Postcode Finder ›› NSWST ›› Karangi Karangi local listingsThe suburb of Karangi is located in NSW and has a postcode of 2450. Free karangi business listing! 1Karangi Public School1004-1006 Coramba Rd 02 665382842Frontline Carpet CleaningKarangi 0417 541 312 View more business listings in karangi Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.