You will have to notify the service provider within 30 days of period about the cancellation. Write a letter to Virgin Media and send it to:- Virgin Media, Sunderland, SR43 4AA 1. Call 150 for free or ring at 0345 454 1111 to cancel your Virgin Media contract. 2. Cancel the Virgin Media Contract by sending a message to 07533 051809 3. Do not forget to mention your name, contact number, address, and account number.