birchs-bay postcode tas Home ›› Postcode Finder ›› TAS ›› Birchs-Bay Birchs Bay local listingsThe suburb of Birchs Bay is located in TAS and has a postcode of 7162. Free birchs bay business listing! Get the first free listing in birchs bay! Search and find other Postcodes in Tasmania or widen the search to Postcodes in Australia.