What kind of jewelry does tiffanyco sell? About Tiffany & Co. Our Story Tiffany’s Legacy Tiffany Flagship Tiffany Blue The Tiffany Diamond Tiffany High Jewlery A Legacy of Sterling Silver Tiffany Pearls Tiffany & Co. Sports Trophies Tiffany’s Holiday Traditions Charles Lewis Tiffany Louis Comfort Tiffany Collections Atlas DiamondsWhat is the phone number for tiffanys customer service? Tiffany & Co. Customer Services. 727 Fifth Avenue. New York, New York 10022. Our telephone number: 800 843 3269. Home. Customer Service Contact Information.How do i clean my jewelry at tiffanys? If you wish to have your silver polished, please contact your nearest Tiffany & Co. store or call Customer Service at 800 843 3269. Between professional servicing, most gold and platinum jewelry can be maintained with a non-abrasive cleaner. Examine your jewelry regularly to make sure settings are snug and clasps and joinings are secure.Why choose tiffanys client care? There’s no question too small or request too big for our Tiffany client care experts. From choosing an engagement ring or gift to providing effortless one-on-one appointments or product care and repair, we’re always at your service. Tailored just for you, our in-store and virtual appointments are designed to make your day easier.