Once you put in you phone number when paying, it will automatically apply any coupons in order, if multiple. You can also text the number on the bottom of any red Robin email you still may have. In the future, it may be beneficial to archive all emails instead of deleting them so you can search them in the future if needed.
Loyalty card
If you have a loyalty card, it would be on there.
I would check the website it may have it there
The promotion should be on your Red Robin loyalty card. You shouldn't need the email.
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