coomba-park postcode nsw Home ›› Postcode Finder ›› NSW ›› Coomba-Park Coomba Park local listingsThe suburb of Coomba Park is located in NSW and has a postcode of 2428. Free coomba park business listing! Get the first free listing in coomba park! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.