Website address: https://www.charmin.com/en-us
Phone Number: 1-800-777-1410
Email/contact form: https://www.charmin.com/en-us/contact-us
Facebook page: https://www.facebook.com/charmin
Twitter account: https://twitter.com/charmin
Mailing address: Charmin c/o The Proctor & Gamble Company, 1 P&G Plaza, Cincinnati, OH 45202