bungwahl postcode nswst Home ›› Postcode Finder ›› NSWST ›› Bungwahl Bungwahl local listingsThe suburb of Bungwahl is located in NSW and has a postcode of 2423. Free bungwahl business listing! 1Bungwahl Public School56 Seal Rocks Rd 02 49976175 View more business listings in bungwahl Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.