Cassandra S.
9/16/2024
I called in the morning to see if they would have someone available in the late afternoon to write on a cake and they stated someone would be available. I drove 35 minutes to this location since...
Dunkin'
$
Open
(41)
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4009 Highway K
O Fallon, MO 63368
Dunkin’ is America’s favorite all-day, everyday stop for coffee, espresso, breakfast sandwiches and donuts. The world’s leading baked goods and coffee chain, Dunkin’ serves more than 3 million customers each day. With 50+ varieties of donuts and dozens of premium beverages, there is always something to satisfy your craving. Dunkin’ is proud to serve O Fallon, MO for all breakfast and snacking needs. Stop by today to try a classic favorite or a new featured product!
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Reviews
2.041 reviewsGrace S.
11/4/2025
I already hate dunkin but thought I would try again today for some reason and really regret that decision. The donut seemed like it was shipped in and not freshly made...at a donut shop. Worst...
Brady G.
11/14/2025
hashbrowns were cold when I got them, completely forgot a drink on a mobile order, do not care about getting your order right. DO NOT COME HERE
Heather B.
12/29/2024
The BEST Dunkin location I've been to. Every employee has been incredibly kind, and has always gone above and beyond. I always do mobile orders, and not only is my order correct every time, but...
Krisztina J.
9/19/2024
Terrible customer service. Rude for no reason; I didn't complain or do/ say anything other than place my order at drive-thru. Breakfast sandwich must have been sitting under a lamp for a while-...
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