Dunkin: Free Iced or Hot Coffee of Any Size on Wednesday, 10/21 (Code: SIZEDOESNTMATTER)

The Offer

Direct Link to offer

• Wednesday, 10/21/26, Dunkin is offering a coupon in the app to get a free coffee of any size, hot or iced. Use code: SIZEDOESNTMATTER.

Check the bottom of your Offers section in the Dunkin app.

Our Verdict

Free is free. You have to save the coupon to your account today, but it will then be available to use for three days. 

Hat tip to Chris and TJBdeals