Address: 1220 State Hwy K, O'Fallon, MO 63366
Website: https://locations.dunkindonuts.com/en/mo/o-fallon/1220-highway-k/351820%3Futm_source%3Dgoogle%26utm_medium%3Dlocal%26utm_campaign%3Dlocalmaps%26utm_content%3D351820%26y_source%3D1_MTIxMTQyNDAtNzE1LWxvY2F0aW9uLndlYnNpdGU%253D
Hours: Sunday: 5AM-8PM, Monday: 5AM-8PM, Tuesday: 5AM-8PM, Wednesday: 5AM-8PM, Thursday: 5AM-8PM, Friday: 5AM-8PM, Saturday: 5AM-8PM
Rating: 3.9 stars (527 reviews)