I have a paper coupon from my bill for $5.99. When I go to register the coupon it asks for a 16 digit code but there isn't a code on the coupon. The coupon does not expire until 2/15/2021, but it isn't possible to register this coupon at my.coupon.com/coupon without a 16 digit code. Please advise where to find the code to get this applied to my account. Thanks.
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