To check your Cotton On gift card balance, go to Cotton On's How do I find out my gift card balance? page. Once there, click on the Help Red Chat button located at the bottom right corner of the page. Next, contact their customer service to check your balance. You can check Cotton On gift card balance online on our website, or call Cotton On at 1800 420 176. You can also visit any Cotton On store and inquire a cashier to check the balance for you.