You can check Millie's Cookies gift card balance by first going to the Millie's Cookies Customer Service page. Once there, contact Millie's Cookies customer service team to check your balance. You can check Millie's Cookies gift card balance online on our website, or call Millie's Cookies at 02075298369. You can also visit any Millie's Cookies store and ask a store colleague at the till point to complete a balance check inquiry.
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