Once your code has arrived you can redeem your T.J. Maxx gift card at the following locations:
You can redeem your gift card on location at a T.J. Maxx store and online at Tjmaxx.com
For an in-store purchase print out the gift card code and present it at the time of purchase.
For an online purchase, on the Checkout page enter your gift card number.
You can check the balance here