Dunkin’ promo code today: How to get a free iced coffee on October 21
Dunkin’ is giving away 1 million free iced coffees as part of its Halloween promotion featuring Spidey D. Find out the promo code, how to claim the free coffee through the Dunkin’ app and when the reward expires.

Dunkin’ promo code today: How to get a free iced coffee on October 21 (Photo: Dunkin)
The offer gives customers a way to get a free drink, but the giveaway is limited. Those hoping to take part need to enter the code while the promotion is available and check the app to see whether they have secured the reward.
What Is the Dunkin’ Free Coffee Promo Code
The code is SIZEDOESNTMATTER. Dunkin’ announced the promotion at noon Eastern Time on October 21. The giveaway comes as Spidey D’s Halloween theme has taken over the company’s social media accounts.According to Dunkin’s official announcement, the promotion offers one million free iced coffees in any size. Customers can claim one free coffee per person, subject to availability and the offer’s terms.

How to Claim a Free Dunkin’ Coffee
Customers need to use the Dunkin’ app to enter the code. After opening the app, you need to go to the “Offers & Rewards” section and enter SIZEDOESNTMATTER.The giveaway is limited to one million free coffees, so entering the code does not guarantee a reward once the available supply has been claimed.
When Does the Dunkin’ Coffee Deal Expire
Customers who secure the reward may have time to redeem it after claiming the offer. Dunkin’ says the free coffee certificate remains valid for five days after the promotional code is entered.Customers should check the expiry information shown in their app to confirm when their individual reward must be used.
What Is Behind Dunkin’s Spidey D Giveaway
The promotion is on Spidey D, Dunkin’s Spider Donut character, who has returned for the Halloween season. The character’s takeover of the company’s social media accounts and content calendar provides the backdrop for the giveaway.Dunkin’ encouraged fans to follow its Instagram, X, TikTok and YouTube accounts for updates about Spidey D and its Halloween activities.
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