myall-lake postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Myall-Lake Myall Lake local listingsThe suburb of Myall Lake is located in NSW and has a postcode of 2423. Free myall lake business listing! Get the first free listing in myall lake! Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.