Dunkin’ Just Dropped 1 Million Free Coffee Codes

☕ What’s Going On

Dunkin’ has launched a nationwide promotion giving away one million free hot or iced coffees to customers as part of a year‑end “ProDUNKtivity” campaign. This is meant to help people get a pick‑me‑up during the slow period between Christmas and New Year’s. Delish

📅 Key Details

• When: December 29, 2025 through December 31, 2025 (or until all 1,000,000 codes are claimed). Living On The Cheap
• What You Get: One free hot or iced coffee of any size. Living On The Cheap
• Who Qualifies: Must be a Dunkin’ Rewards member (free to join via the Dunkin’ app). Living On The Cheap
• How to Redeem:
  1. Open the Dunkin’ app.
  2. Go to the Offers or “Add Promo Code” section.
  3. Enter promo code: PRODUNKTIVITY.
  4. Once added, the free coffee reward appears in your account and can be redeemed at checkout. Living On The Cheap
• Validity: After claiming, the free coffee reward is usually good for up to five days from the date of redemption. Living On The Cheap
• Limit: One free coffee per member while supplies last. Living On The Cheap

⚠️ What to Know

• Supplies are limited — codes are first‑come, first‑served and can run out quickly. Many users report the code hitting its limit fast, so it’s best to act early. Reddit
• The free coffee offer typically applies to standard brewed coffee (hot or iced) and may exclude specialty espresso drinks or certain menu items — check the app for any exact exclusions. Reddit

🧠 Tips to Claim Successfully

• Download the Dunkin’ app before Dec 29 and sign up for Rewards ahead of time.
• Enter PRODUNKTIVITY in the promo code or offers section ASAP.
• If the offer disappears, it may have reached its redemption limit for the day.
• Watch Dunkin’s social channels for potential future promo codes or surprises during “ProDUNKtivity Week.”