newnham postcode tas Home ›› Postcode Finder ›› TAS ›› Newnham Newnham local listingsThe suburb of Newnham is located in TAS and has a postcode of 7248. Free newnham business listing! 1Seabrook Christian School103-105 Georgetown Rd 03 632688852Camsas Cleaning Contractors60 Parklands Parade 0400528472 View more business listings in newnham Search and find other Postcodes in Tasmania or widen the search to Postcodes in Australia.