# Dunkin' Free Coffee Offer

> Dunkin' gives 1 million free coffees via code JUST4U on Sept. 24.
- Title: Dunkin' Free Coffee Offer · Mashable | Shortify
- Summary: Dunkin' gives 1 million free coffees via code JUST4U on Sept. 24. Dunkin' offers 1 million free medium hot or iced coffees through Sept. 27 using code JUST4U.
- Keywords: dunkin, free coffee, september 24, just4u, dunkin rewards, mashable, technology, culture, Dunkin', Free, Coffee, Offer
- Source: Mashable — https://mashable.com/life/sept-22-dunkin-donuts-free-coffee-how-to-claim
- Author: Joseph Green
- Published: 2026-09-24T16:04:17+00:00
- Read time: 1 min
- Topics: dunkin, free coffee, september 24, just4u, dunkin rewards, mashable, technology, culture
## Dunkin' Free Coffee Offer
Dunkin' is giving away 1 million free drinks on sept twenty-four.
## Promo Code Details
Use code JUST4U in the offers and rewards section of your app to claim a free coffee.
## Claim Requirements
You must be a dunkin rewards member to claim the free coffee using code just four u.
## Offer Duration
The free coffee offer lasts through sept twenty-seven.
## How to Claim
Enter code just four u in the offers and rewards section of your app for a free medium hot or iced coffee.
## Key takeaway

Dunkin' offers 1 million free medium hot or iced coffees through Sept. 27 using code JUST4U.