You can get a FREE 6″ sub right now, just text your Subway Card number to 35562. You will get 50 points added to your Subway Card on your next visit, and 50 points is enough for a FREE 6″ sub! Make sure the phone number you are using is the phone number registered with them. Go here to sign up if you haven’t already. If you need help registering your SUBWAY card you can call customer support for the rewards card at 877-697-8222.