For a limited time only, when you enter your phone number online through the Jack In The Box website and agree to receive promotional texts, you'll get 2 free tacos.
To sign up for texts, look for a little red bar that states, "Get Free Tacos," located on the bottom left of the Jack In The Box website.
Click on this bar to enter your phone number into a new pop-up window and get your 2 free tacos as a reward.