Help! I lost my activation code/phone number. Where can I find it? The number to activate your card is 1-(844) 210-2175 (TTY 711) Related articles Help! My card was declined for an allowed expense! What benefits or rewards are available on the Flex Card for 2026? Will I get paper statements in the mail with my balances? I heard that Uber/Lyft/DoorDash/GrubHub or other similar companies are working with Medicare Advantage plans to accept Flex Card. Can I use my Flex Card for these services? Help! I lost my Flex Card; can I get a new one?