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Dunkin' Zero
Brand Certified

Dunkin'

3.3
(457 reviews)

Business Details

368 Route 12, Groton, CT
06340, United States
(860) 445-0329
https://www.dunkindonuts.com

About

Coffee ShopDonut ShopBreakfast RestaurantBakeryBagel ShopFast Food RestaurantTake Out RestaurantDunkin'
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 Groton, CT for all breakfast and snacking needs. Stop by today to try a classic favorite or a new featured product!

Details

  • Dine-inNot available
  • DeliveryAvailable
  • TakeoutAvailable
  • Credit cardAvailable

Location

Dunkin'
368 Route 12, Groton, CT
06340, United States

Hours

Monday4:00 AM - 9:00 PM
Tuesday4:00 AM - 9:00 PM
Wednesday4:00 AM - 9:00 PM
Thursday4:00 AM - 9:00 PM
Friday4:00 AM - 9:00 PM
Saturday4:00 AM - 9:00 PM
Sunday4:00 AM - 9:00 PM

Menu

1 menu · 73 items

Explore offerings from Dunkin' on 368 Route 12 in Groton, with popular iced drinks, hot drinks, frozen drinks, and sandwiches & wraps available at this location.

Dunkin' Menu

73 items

Reviews

3.3
457 reviews
5 stars
172
4 stars
74
3 stars
53
2 stars
39
1 star
119
  • LB
    lenaha baker
    3 days ago
    1.0
    went up to the walk up window to get my order hit the bell. Three people looked at me directly in the eye waited for about 1015 minutes. No one came over to help me if you were not able to use the window maybe you shouldn’t have it or maybe teach your crew how to do the right jobs. It’s not that hard to be a respectful human.
  • JW
    Josh Wilcox
    Aug 6, 2026
    1.0
    First visit back after a long hiatus because of how Incredibly slow it was. And guess what! Nothings changed. I’d suggest going elsewhere in the morning. Waited 10 min in line only to get to the intercom and was told drinks only because of short staffing. Poor management. Looks like no changing in sight for this place!
  • CP
    Cyr Parlapiano
    Aug 4, 2026
    1.0
    I was parked because espresso machine was down. 15 minutes later still no one coming out. Building is locked. Waiting at pickup window. Attitude from multiple employees and the manager when all I wanted was a refund.. please do better dunkin all I wanted was your delicious coffee and bagels 😞
  • VS
    Venus Speaks
    Jul 11, 2026
    3.0
    A young woman by the name of Sam handled the drive thru extremely well on an extremely busy Saturday morning. No donuts and no option to go inside to view what was available and she was patient and customer friendly.
  • JJ
    jhill883
    Jun 27, 2026
    1.0
    Legit ordered coffee regular decafe and a pup cup for the dog, workers response is I’m new go to a different dunkin. Won’t return there again offered to pay for 2 coffees just splash some whip cream into a small cup for my dog but to hard for them to understand I guess.

Frequently Asked Questions About Dunkin'

What are the regular opening hours for Dunkin' Groton, CT?

Dunkin' in Groton, CT is open daily from 4:00 AM to 9:00 PM.

Does this Dunkin' location offer delivery and curbside pickup?

Yes, this Dunkin' location offers both delivery and curbside pickup services.

Brand Certified Facts from Dunkin'

This information is certified by Dunkin' and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified August 16, 2026Yext Knowledge Graph
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