enngonia postcode nswst Home ›› Postcode Finder ›› NSWST ›› Enngonia Enngonia local listingsThe suburb of Enngonia is located in NSW and has a postcode of 2840. Free enngonia business listing! 1Enngonia Public SchoolLot 9 Belalie St 02 68747550 View more business listings in enngonia Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.